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Curated

The 1915 Iowa State Census Project (ICPSR 28501)

Released/updated on: 2010-12-14
Geographic coverage: Iowa, United States
Time period: 1915-01-01--1915-12-31
The 1915 Iowa State Census is a unique document. It was the first census in the United States to include information on education and income prior to the United States Federal Census of 1940. It contains considerable detail on other aspects of individuals and households, e.g., religion, wealth and years in the United States and Iowa. The Iowa State Census of 1915 was a complete sample of the residents of the state and the returns were written by census takers (assessors) on index cards. These cards were kept in the Iowa State Archives in Des Moines and were microfilmed in 1986 by the Genealogical Society of Salt Lake City. The census cards were sorted by county, although large cities (those having more than 25,000 residents) were grouped separately. Within each county or large city, records were alphabetized by last name and within last name by first name. This data set includes individual-level records for three of the largest Iowa cities (Des Moines, Dubuque, and Davenport; the Sioux City films were unreadable) and for ten counties that did not contain a large city. (Additional details on sample selection are available in the documentation). Variables include name, age, place of residence, earnings, education, birthplace, religion, marital status, race, occupation, military service, among others. Data on familial ties between records are also included.
Curated
Simple Crosstabs

2001 Chilean Social Mobility Survey (ICPSR 35299)

Released/updated on: 2015-04-20
Geographic coverage: Chile
Time period: 2001-01-01--2001-12-31
The 2001 Chilean Social Mobility Survey examined inter-generational and intra-generational mobility in Chile. The data contain information on adult Chilean men's education, migration, current job, first job, social origins (parents' education, occupation, assets and living standards when the respondent was 14 years old), wife/partner, inter-generational transfers, household income and assets, respondent's siblings and focal brother, and respondent's opinions about inequality and determinants of economic well-being. Demographic variables include sex, age, education level, and socio-economic status.
Curated

Border Contraceptive Access Study, El Paso, Texas 2005-2008 (ICPSR 32561)

Released/updated on: 2011-11-07
Geographic coverage: El Paso, Ciudad Juarez, United States, Texas, Mexico, Chihuahua
Time period: 2005-01-01--2008-12-31

Oral contraceptive (OC) users living in El Paso, Texas were interviewed to assess motivations for patronizing a United States clinic or a Mexican pharmacy with over-the-counter (OTC) pills and to determine which women were likely to use the OTC option. The experiences of OC users who obtained their contraception from Mexican pharmacies were compared with those of women who obtained their pills from family planning clinics in El Paso, Texas, where eligible low-income women often pay nothing. 532 clinic users and 514 pharmacy users were surveyed about background characteristics, motivations for choosing their oral contraception source, and satisfaction with this source. For more information, please see the Border Contraceptive Access Study website.

Curated
Simple Crosstabs

Children of Immigrants Longitudinal Study (CILS), San Diego, California, Ft. Lauderdale and Miami, Florida, 1991-2006 (ICPSR 20520)

Released/updated on: 2018-12-12
Geographic coverage: San Diego, United States, California, Florida, Ft. Lauderdale, Miami
Time period: 1991-01-01--2006-12-31
Children of Immigrants Longitudinal Study (CILS) was designed to study the adaptation process of the immigrant second generation which is defined broadly as United States-born children with at least one foreign-born parent or children born abroad but brought at an early age to the United States. The original survey was conducted with large samples of second-generation immigrant children attending the 8th and 9th grades in public and private schools in the metropolitan areas of Miami/Ft. Lauderdale in Florida and San Diego, California. Conducted in 1992, the first survey had the purpose of ascertaining baseline information on immigrant families, children's demographic characteristics, language use, self-identities, and academic attainment. The total sample size was 5,262. Respondents came from 77 different nationalities, although the sample reflects the most sizable immigrant nationalities in each area. Three years later, corresponding to the time in which respondents were about to graduate from high school, the first follow-up survey was conducted. Its purpose was to examine the evolution of key adaptation outcomes including language knowledge and preference, ethnic identity, self-esteem, and academic attainment over the adolescent years. The survey also sought to establish the proportion of second-generation youths who dropped out of school before graduation. This follow-up survey retrieved 4,288 respondents or 81.5 percent of the original sample. Together with this follow-up survey, a parental survey was conducted. The purpose of this interview was to establish directly characteristics of immigrant parents and families and their outlooks for the future including aspirations and plans for the children. Since many immigrant parents did not understand English, this questionnaire was translated and administered in six different foreign languages. In total, 2,442 parents or 46 percent of the original student sample were interviewed. During 2001-2003, or a decade after the original survey, a final follow-up was conducted. The sample now averaged 24 years of age and, hence, patterns of adaptation in early adulthood could be readily assessed. The original and follow-up surveys were conducted mostly in schools attended by respondents, greatly facilitating access to them. Most respondents had already left school by the time of the second follow-up so they had to be contacted individually in their place of work or residence. Respondents were located not only in the San Diego and Miami areas, but also in more than 30 different states, with some surveys returned from military bases overseas. Mailed questionnaires were the principal source of completed data in this third survey. In total, CILS-III retrieved complete or partial information on 3,613 respondents representing 68.9 percent of the original sample and 84.3 percent of the first follow-up.Relevant adaptation outcomes measured in this survey include educational attainment, employment and occupational status, income, civil status and ethnicity of spouses/partners, political attitudes and participation, ethnic and racial identities, delinquency and incarceration, attitudes and levels of identification with American society, and plans for the future.
Curated
Partially restricted
Simple Crosstabs

China Multi-Generational Panel Dataset, Liaoning (CMGPD-LN), 1749-1909 (ICPSR 27063)

Released/updated on: 2016-09-06
Geographic coverage: Asia, China (Peoples Republic)
Time period: 1749-01-01--1909-12-31
The China Multi-Generational Panel Dataset - Liaoning (CMGPD-LN) is drawn from the population registers compiled by the Imperial Household Agency (neiwufu) in Shengjing, currently the northeast Chinese province of Liaoning, between 1749 and 1909. It provides 1.5 million triennial observations of more than 260,000 residents from 698 communities. The population mainly consists of immigrants from North China who settled in rural Liaoning during the early eighteenth century, and their descendants. The data provide socioeconomic, demographic, and other characteristics for individuals, households, and communities, and record demographic outcomes such as marriage, fertility, and mortality. The data also record specific disabilities for a subset of adult males. Additionally, the collection includes monthly and annual grain price data, custom records for the city of Yingkou, as well as information regarding natural disasters, such as floods, droughts, and earthquakes. This dataset is unique among publicly available population databases because of its time span, volume, detail, and completeness of recording, and because it provides longitudinal data not just on individuals, but on their households, descent groups, and communities.
Curated
Partially restricted
Simple Crosstabs

China Multi-Generational Panel Dataset, Shuangcheng (CMGPD-SC), 1866-1913 (ICPSR 35292)

Released/updated on: 2021-10-14
Geographic coverage: Asia, China (Peoples Republic)
Time period: 1866-01-01--1913-12-31
The China Multi-Generational Panel Dataset - Shuangcheng (CMGPD-SC) provides longitudinal individual, household, and community information on the demographic and socioeconomic characteristics of a resettled population living in Shuangcheng, a county in present-day Heilongjiang Province of Northeastern China, for the period from 1866 to 1913. The dataset includes some 1.3 million annual observations of over 100,000 unique individuals descended from families who were relocated to Shuangcheng in the early 19th century. These families were divided into 3 categories based on their place of origin: metropolitan bannermen, rural bannermen, and floating bannermen. The CMGPD-SC, like its Liaoning counterpart, the CMGPD-LN (ICPSR 27063), is a valuable data source for studying longitudinal as well as multi-generational social and demographic processes. The population categories had salient differences in social origins and land entitlements, and landholding data are available at a number of time periods, thus the CMGPD-SC is especially suitable to the study of stratification processes.
Curated
Partially restricted
Simple Crosstabs

Chitwan Valley Family Study: Labour Outmigration, Agricultural Productivity and Food Security, Nepal, 2015-2017 (ICPSR 36755)

Released/updated on: 2022-05-02
Geographic coverage: Asia, Nepal
Time period: 2015-07-15--2015-12-20, 2016-03-02--2017-02-21, 2016-01-07--2017-11-01, 2016-01-12--2017-12-01, 2016-01-06--2017-05-07, 2016-03-11--2016-04-03, 2017-02-28--2017-04-04, 2016-06-13--2016-08-19, 2017-06-28--2017-08-10, 2016-02-03--2016-03-10, 2017-01-05--2017-03-26, 2015-10-26--2015-12-03, 2016-10-20--2016-11-27, 2016-03-26--2016-04-10, 2017-03-06--2017-04-10, 2015-03-01--2017-01-31, 2015-08-23--2017-06-21, 2015-08-23--2015-12-02, 2016-01-01--2016-05-08, 2016-05-16--2016-09-22, 2016-09-25--2017-01-29, 2017-03-02--2017-06-21, 2017-02-22--2017-06-21, 2015-07-15--2015-12-20, 2015-07-15--2015-12-20

The Chitwan Valley [Nepal] Family Study: Labor Outmigration, Agricultural Productivity and Food Security is a three year project with the aim to investigate the consequences of labor outmigration on agricultural productivity in a poor agricultural country persistently facing food security problems. A Data Guide for this study is available as a web page and for download.

This project's data collection is made up of twenty-five datasets:

Datasets 1-6: The Household Agriculture and Migration Survey includes information on household agricultural practices and remittances received by the household. Face-to-face interviews were conducted to collect data from household members who previously participated in the Chitwan Valley Family Study (ICPSR 4538).

Topics of the survey include crop production and farm technology use, wealth, assets, income, consumption, food security and information about each household member currently away from home. The survey also collected information on gender, ethnicity, and age.

Datasets 7-16: Measured yields of major crops grown by farm households that previously participated in the Chitwan Valley Family Study (ICPSR 4538).

Dataset 17: A monthly demographic event registry administered to all households that previously participated in the Chitwan Valley Family Study (ICPSR 4538).

Datasets 18-23: The Women's Time Use Survey was designed and administered to married, Nepalese women to collect information on changes in their time and involvement in agriculture and other activities. Face-to-face interviews and telephone interviews were conducted to collect data from women who previously participated in the Chitwan Valley Family Study (ICPSR 4538).

The collection covered a range of topics including farm work, hygiene, finances, health, and religion. Further, respondents were queried concerning socialization and assisting children and the elderly.

Datasets 24-25: The Women's Time Use Survey was designed and administered to married, Nepalese women to collect information on changes in their time and involvement in agriculture and other activities. Face-to-face interviews and telephone interviews were conducted to collect data from women who previously participated in the Chitwan Valley Family Study (ICPSR 4538).

Curated
Simple Crosstabs

County-Specific Net Migration by Five-Year Age Groups, Hispanic Origin, Race and Sex: 2000-2010 (ICPSR 34638)

Released/updated on: 2013-09-05
Geographic coverage: United States
Time period: 2000-01-01--2010-12-31

These data include county-level, net migration estimates by five-year age cohorts and sex, and by race and Hispanic origin, for the intercensal period from 2000 to 2010. The estimates were prepared using a vital statistics version of the forward cohort residual method. These estimates (and the net migration rates derivable from them) extend the set of decennial estimates of net migration that have been produced following each decennial census beginning with 1960 (net migration for the 1950s: Bowles and Tarver, 1965; 1960s: Bowles, Beale and Lee, 1975; 1970s: White, Mueser and Tierney, 1987; 1980s: Fuguitt, Beale, and Voss 2010; and 1990s: Voss, McNiven, Hammer, Johnson and Fuguitt, 2004).

Further information about this project is available on the Net Migration Patterns for US Counties Web site.

Curated
Simple Crosstabs

County-Specific Net Migration by Five-Year Age Groups, Hispanic Origin, Race, and Sex, 2010-2020: [United States] (ICPSR 39582)

Released/updated on: 2025-11-06
Geographic coverage: United States
Time period: 2010-04-01--2020-04-01
This study contains county-level net migration estimates, by five-year age cohorts, sex, race, and Hispanic origin, for the intercensal period from 2010 to 2020. This file is part of a series of estimates done for each decade since 1950. Details on how net migration and corresponding net migration rates are calculated are described in the methodology document. In addition, data is available through mapping and charting interfaces at Net Migration Patterns for U.S. Counties.
Curated

County-Specific Net Migration Estimates, 1980-1990 [United States] (ICPSR 26761)

Released/updated on: 2010-04-02
Geographic coverage: United States
Time period: 1980-01-01--1990-12-31

This data collection represents a set of United States county net migration estimates by age and sex for the 1980-1990 decade, and is part of a series of estimates done for each decade since 1950 (1950-1970: see NET MIGRATION OF THE POPULATION BY AGE, SEX, AND RACE, 1950-1970 [ICPSR 8493]; 1970-1980: see NET MIGRATION OF THE POPULATION OF THE UNITED STATES BY AGE, RACE, AND SEX, 1970-1980 [ICPSR 8697]; 1990-2000: see COUNTY-SPECIFIC NET MIGRATION BY FIVE-YEAR AGE GROUPS, HISPANIC ORIGIN, RACE, AND SEX, 1990-2000 [ICPSR 4171]).

Net migration, the difference between the number of people moving into an area and the number moving out over a period, is measured here, and in all the other sets of estimates in the series, by the residual method. That is, net migration is equal to the population change over the period minus the natural increase (births -- deaths). Full details on how natural increase is estimated for each county, as well as other details of the data collection, are described in the codebook.

Curated

Displaced New Orleans Residents Pilot Study (DNORPS) (ICPSR 29523)

Released/updated on: 2011-03-24
Geographic coverage: United States, Louisiana, New Orleans
Time period: 2005-08-01--2006-11-30

The Displaced New Orleans Residents Pilot Study was designed to examine the current location, well-being, and plans of people who lived in the city of New Orleans when Hurricane Katrina struck on August 29, 2005. The study is based on a representative sample of pre-Katrina dwellings in New Orleans. Fieldwork focused on tracking respondents wherever they currently resided, including back to New Orleans. Respondents were administered a short paper-and-pencil interview by mail, by telephone, or in person. The pilot study was fielded in the fall of 2006, approximately one year after Hurricane Katrina. The goal of DNORPS was to assess the feasibility of the study design and thereby to lay the groundwork for launching a major longitudinal study of displaced New Orleans residents.

ICPSR only holds the public data for the pilot study. The main study (DNORS) was carried out 2009-2010. These data are not yet publicly available, but for more information, visit the RAND Corporation website.

Curated
Simple Crosstabs

ESRU Social Mobility Survey in Mexico, 2006 (ICPSR 35333)

Released/updated on: 2015-06-03
Geographic coverage: Mexico
Time period: 2006-01-01--2006-12-31
The 2006 ESRU Social Mobility Survey in Mexico (SMSM) is the first nationally representative, fully probabilistic survey of inter-generational social mobility in Mexico. The main objective of the ESRU SMSM is to describe and analyze inter-generational socioeconomic mobility in Mexican society. The SMSM is a stratified multistage sample of 7,288 men and women aged 25-64 and living in private residences in Mexico. The survey collects information on the socioeconomic standing of the respondent and his/her spouse or partner, including education, occupation, income, assets, and wealth. It also includes information on the socioeconomic standing of the respondent's and his/her spouse/partner's parents and conditions when they were growing up. Additional topics include: international and domestic migration, health, occupational trajectory, opinions, and attitudes.
External data

Establishment History Panel, 1975-2019 (ICPSR 37157)

Released/updated on: 2018-09-26
Geographic coverage: Germany
Time period: 1975-01-01--2019-12-31
The Establishment History Panel 1975-2023 (BHP 7519) is a 50% sample of all establishments throughout Germany with at least one employee subject to social security as of 30 June of a given year. Since 1999, establishments employing only marginal part-time workers have also been included in the data. For establishments in western Germany the observation period is 1975 to the present and for establishments in eastern Germany 1992 to the present. However, conclusive analyses for eastern Germany establishments are only possible from 1993 onwards. The data source for the BHP is the Employee History (Beschäftigten-Historik BeH) of the Institute for Employment Research (IAB). The data of individuals contained in the BeH are aggregated to the establishment level using the establishment numbers.
Curated

Geographic Mobility of Labor, 1962-1963 (ICPSR 7434)

Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1962-01-01--1963-12-31
This study focused on labor force mobility in the United States. Wider in scope than previous studies of local labor markets and particular categories of workers, this investigation obtained information about attitudes, motives, and the economic circumstances of families, in addition to migration history and demographic characteristics. A broad range of data were collected on the causes of mobility and obstacles to mobility, the process of mobility, and its consequences. Three waves of interviews were conducted in August-September 1962, November-December 1962, and November 1963 with national cross-section samples of the adult population. From each household, either the head or the spouse was interviewed. Special samples of people living in redevelopment areas and having recently moved were also surveyed, and a panel of respondents selected from both a cross-national sample and residents of redevelopment areas was reinterviewed in August 1963. The data collection includes three files. Part 1 contains information for all respondents, including reinterviews, organized around the family as unit of analysis. Filter variables allow a separate analysis of cross-sectional data. In Part 2 the unit of analysis is the move, with variables documenting year, geographic region and state, and reasons for the move. Part 3 provides information about the relocation of adult offspring, other than the first, aged 18-29. Demographic data include age, sex, race, marital status, income, occupation, and level of education.
Curated

Great Plains Population and Environment Data: Social and Demographic Data, 1870-2000 [United States] (ICPSR 4296)

Released/updated on: 2007-02-07
Geographic coverage: Montana, United States, Wyoming, New Mexico, Oklahoma, Texas, Colorado, South Dakota, Kansas, North Dakota, Nebraska
Time period: 1870-01-01--2000-12-31

The social and demographic data included in this collection consist of a single data file for each decennial year between 1870 and 2000, covering 10 of the 12 Great Plains states. Information on a variety of social and demographic topics was gathered to historically characterize populations living in counties within the United States Great Plains, in terms of: (1) urban, rural, and total population, (2) vital statistics, (3) net migration, (4) age and sex, (5) nativity and ancestry, (6) education and literacy, (7) religion, (8) industry, and (9) housing and other characteristics. These data include selected material compiled as part of the United States population census. The United States Census of Population and Housing has been conducted since 1790 on a regular schedule that is decennial. The county-level social and demographic data produced by the United States government as a result constitute a consistent series of measures capturing changes in the United States population's size, composition, and other characteristics. A subset of the variables available from the short and long-form survey questionnaires of the United States Census of Population and Housing (as compiled for counties) were extracted from previously existing digital files. Besides the decennial census of the population, county-level data were drawn from an assortment of existing digital files as well as sources that were manually digitized. Other data include compilations of county-level information gathered from various federal agencies and private organizations as well as the agriculture and economic censuses. Supplementing these compilations are manually digitized consumer market data, religious data, and vital statistics, including information about births, deaths, marriage, and divorce.

External data

IAB Establishment Panel, 1993-2020 (ICPSR 37161)

Released/updated on: 2018-10-01
Geographic coverage: Germany
Time period: 1993-01-01--2019-12-31
The IAB Establishment Panel is an annual representative survey on various topics such as the determinants of labor demand. It has been conducted by the IAB since 1993 in West Germany and since 1996 in East Germany. The IAB Establishment Panel is the central basis for the analysis of labor demand in Germany. Detailed information on the contents of the IAB Establishment Panel is given by the department 'Establishments and Employment' on the Establishment Panel web site. The IAB Establishment Panel is also available linked with individual administrative data as Linked Employer/Employee Data (LIAB). The LIAB metadata is in the ICPSR catalog as ICPSR 37158 and ICPSR 37159.
Curated

Immigrants Admitted to the United States, 1972 (ICPSR 8952)

Released/updated on: 2010-03-09
Geographic coverage: United States
Time period: 1971-07-01--1972-06-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1972 (July 1971 through June 1972). Data are presented for two types of immigrants. The first category, new arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1973 (ICPSR 8953)

Released/updated on: 2010-03-09
Geographic coverage: United States
Time period: 1972-07-01--1973-06-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1973 (July 1972 through June 1973). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1974 (ICPSR 8954)

Released/updated on: 2010-03-11
Geographic coverage: United States
Time period: 1973-07-01--1974-06-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1974 (July 1973 through June 1974). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1975 (ICPSR 8955)

Released/updated on: 2010-03-11
Geographic coverage: United States
Time period: 1974-07-01--1975-06-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1975 (July 1974 through June 1975). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1976 (ICPSR 8956)

Released/updated on: 2010-03-11
Geographic coverage: United States
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1976 (July 1975 through June 1976). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1977 (ICPSR 8958)

Released/updated on: 2010-03-15
Geographic coverage: United States
Time period: 1976-10-01--1977-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1977 (October 1976 through September 1977). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1978 (ICPSR 8959)

Released/updated on: 2010-03-15
Geographic coverage: United States
Time period: 1977-10-01--1978-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1978 (October 1977 through September 1978). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1979 (ICPSR 7999)

Released/updated on: 2010-03-18
Geographic coverage: United States
Time period: 1978-10-01--1979-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1979 (October 1978 through September 1979). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1980 (ICPSR 8960)

Released/updated on: 2010-03-18
Geographic coverage: United States
Time period: 1979-10-01--1980-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1980 (October 1979 through September 1980). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1981 (ICPSR 8961)

Released/updated on: 2010-03-22
Geographic coverage: United States
Time period: 1980-10-01--1981-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1981 (October 1980 through September 1981). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1982 (ICPSR 8962)

Released/updated on: 2010-03-22
Geographic coverage: United States
Time period: 1981-10-01--1982-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1982 (October 1981 through September 1982). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1983 (ICPSR 8963)

Released/updated on: 2010-04-02
Geographic coverage: United States
Time period: 1982-10-01--1983-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1983 (October 1982 through September 1983). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1984 (ICPSR 8964)

Released/updated on: 2010-04-02
Geographic coverage: United States
Time period: 1983-10-01--1984-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1984 (October 1983 through September 1984). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1985 (ICPSR 8965)

Released/updated on: 2010-04-07
Geographic coverage: United States
Time period: 1984-10-01--1985-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1985 (October 1984 through September 1985). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1986 (ICPSR 8966)

Released/updated on: 2010-04-07
Geographic coverage: United States
Time period: 1985-10-01--1986-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1986 (October 1985 through September 1986). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1987 (ICPSR 9268)

Released/updated on: 2010-04-19
Geographic coverage: United States
Time period: 1986-10-01--1987-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1987 (October 1986 through September 1987). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1988 (ICPSR 9269)

Released/updated on: 2010-05-12
Geographic coverage: United States
Time period: 1987-10-01--1988-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1988 (October 1987 through September 1988). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1989 (ICPSR 6161)

Released/updated on: 2010-05-13
Geographic coverage: United States
Time period: 1988-10-01--1989-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1989 (October 1988 through September 1989). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1990 (ICPSR 6164)

Released/updated on: 2010-05-14
Geographic coverage: United States
Time period: 1989-10-01--1990-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1990 (October 1989 through September 1990). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1991 (ICPSR 6165)

Released/updated on: 2010-08-24
Geographic coverage: United States
Time period: 1990-10-01--1991-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1991 (October 1990 through September 1991). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1997 (ICPSR 2955)

Released/updated on: 2007-11-05
Geographic coverage: United States
Time period: 1996-10-01--1997-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1997 (October 1996 through September 1997). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigration visas issued by the United States Immigration and Naturalization Service. The second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which the immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1998 (ICPSR 2956)

Released/updated on: 2008-03-19
Geographic coverage: United States
Time period: 1997-10-01--1998-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1998 (October 1997 through September 1998). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigration visas issued by the United States Immigration and Naturalization Service. The second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which the immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 1999 (ICPSR 3485)

Released/updated on: 2008-08-08
Geographic coverage: United States
Time period: 1998-10-01--1999-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 1999 (October 1998 through September 1999). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigration visas issued by the United States Immigration and Naturalization Service. The second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which the immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, 2000 (ICPSR 3486)

Released/updated on: 2007-11-27
Geographic coverage: United States
Time period: 1999-10-01--2000-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in fiscal year 2000 (October 1999 through September 2000). Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigration visas issued by the United States Immigration and Naturalization Service. The second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which the immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrants Admitted to the United States, Transitional Quarter 1976 (ICPSR 8957)

Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1976-07-01--1976-09-30
This data collection contains information on the characteristics of aliens who became legal permanent residents of the United States in the transitional quarter of fiscal year 1976. (This transitional quarter, July-September 1976, is the period in which the Federal Government was making the transition from a July-June fiscal year to an October-September fiscal year.) Data are presented for two types of immigrants. The first category, New Arrivals, arrived from outside the United States with valid immigrant visas issued by the United States Department of State. Those in the second category, Adjustments, were already in the United States with temporary status and were adjusted to legal permanent residence through petition to the United States Immigration and Naturalization Service. Variables include port of entry, month and year of admission, class of admission, and state and area to which immigrants were admitted. Demographic information such as age, sex, marital status, occupation, country of birth, country of last permanent residence, and nationality is also provided.
Curated

Immigrant Second Generation in Metropolitan New York (ICPSR 30302)

Released/updated on: 2011-04-01
Geographic coverage: New York City, United States, New York (state)
Time period: 1999-01-01--1999-12-31
The study analyzes the forces leading to or impeding the assimilation of 18- to 32-year-olds from immigrant backgrounds that vary in terms of race, language, and the mix of skills and liabilities their parents brought to the United States. To make sure that what we find derives specifically from growing up in an immigrant family, rather than simply being a young person in New York, a comparison group of people from native born White, Black, and Puerto Rican backgrounds was also studied. The sample was drawn from New York City (except for Staten Island) and the surrounding counties in the inner part of the New York-New Jersey metropolitan region where the vast majority of immigrants and native born minority group members live and grow up. The study groups make possible a number of interesting comparisons. Unlike many other immigrant groups, the West Indian first generation speaks English, but the dominant society racially classifies them as Black. The study explored how their experiences resemble or differ from native born African Americans. Dominicans and the Colombian-Peruvian-Ecuadoran population both speak Spanish, but live in different parts of New York, have different class backgrounds prior to immigration, and, quite often, different skin tones. The study compared them to Puerto Rican young people, who, along with their parents, have the benefit of citizenship. Chinese immigrants from the mainland tend to have little education, while young people with overseas Chinese parents come from families with higher incomes, more education, and more English fluency. Respondents were divided into eight groups depending on their parents' origin. Those of immigrant ancestry include: Jewish immigrants from the former Soviet Union; Chinese immigrants from the mainland, Taiwan, Hong Kong, and the Chinese Diaspora; immigrants from the Dominican Republic; immigrants from the English-speaking countries of the West Indies (including Guyana but excluding Haiti and those of Indian origin); and immigrants from Colombia, Ecuador, and Peru. These groups composed 44 percent of the 2000 second-generation population in the defined sample area. For comparative purposes, Whites, Blacks, and Puerto Ricans who were born in the United States and whose parents were born in the United States or Puerto Rico were also interviewed. To be eligible, a respondent had to have a parent from one of these groups. If the respondent was eligible for two groups, he or she was asked which designation he or she preferred. The ability to compare these groups with native born Whites, Blacks, and Puerto Ricans permits researchers to investigate the effects of nativity while controlling for race and language background. About two-thirds of second-generation respondents were born in the United States, mostly in New York City, while one-third were born abroad but arrived in the United States by age 12 and had lived in the country for at least 10 years, except for those from the former Soviet Union, some of whom arrived past the age of 12. The project began with a pilot study in July 1996. Survey data collection took place between November 1999 and December 1999. The study includes demographic variables such as race, ethnicity, language, age, education, income, family size, country of origin, and citizenship status.
Curated

Immigration and Intergenerational Mobility in Metropolitan Los Angeles (IIMMLA), 2004 (ICPSR 22627)

Released/updated on: 2008-07-01
Geographic coverage: United States, Los Angeles, California
Time period: 2002-01-01--2008-12-31
IIMMLA was supported by the Russell Sage Foundation. Since 1991, the Russell Sage Foundation has funded a program of research aimed at assessing how well the young adult offspring of recent immigrants are faring as they move through American schools and into the labor market. Two previous major studies have begun to tell us about the paths to incorporation of the children of contemporary immigrants: The Children of Immigrants Longitudinal Study (CILS), and the Immigrant Second Generation in New York study. The Immigration and Intergenerational Mobility in Metropolitan Los Angeles study is the third major initiative analyzing the progress of the new second generation in the United States. The Immigration and Intergenerational Mobility in Metropolitan Los Angeles (IIMMLA) study focused on young adult children of immigrants (1.5- and second-generation) in greater Los Angeles. IIMMLA investigated mobility among young adult (ages 20-39) children of immigrants in metropolitan Los Angeles and, in the case of the Mexican-origin population there, among young adult members of the third- or later generations. The five-county Los Angeles metropolitan area (Los Angeles, Orange, Ventura, Riverside and San Bernardino counties) contains the largest concentrations of Mexicans, Salvadorans, Guatemalans, Filipinos, Chinese, Vietnamese, Koreans, and other nationalities in the United States. The diverse migration histories and modes of incorporation of these groups made the Los Angeles metropolitan area a strategic choice for a comparison study of the pathways of immigrant incorporation and mobility from one generation to the next. The IIMMLA study compared six foreign-born (1.5-generation) and foreign-parentage (second-generation) groups (Mexicans, Vietnamese, Filipinos, Koreans, Chinese, and Central Americans from Guatemala and El Salvador) with three native-born and native-parentage comparison groups (third- or later-generation Mexican Americans, and non-Hispanic Whites and Blacks). The targeted groups represent both the diversity of modes of incorporation in the United States and the range of occupational backgrounds and immigration status among contemporary immigrants (from professionals and entrepreneurs to laborers, refugees, and unauthorized migrants). The surveys provide basic demographic information as well as extensive data about socio-cultural orientation and mobility (e.g., language use, ethnic identity, religion, remittances, intermarriage, experiences of discrimination), economic mobility (e.g., parents' background, respondents' education, first and current job, wealth and income, encounters with the law), geographic mobility (childhood and present neighborhood of residence), and civic engagement and politics (political attitudes, voting behavior, as well as naturalization and transnational ties).
Curated

Japanese-American Research Project (JARP): a Three-Generation Study, 1890-1966 (ICPSR 8450)

Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1890-01-01--1966-12-31
This data collection is a sociohistorical study of the ways in which three generations (Issei, Nisei, and Sansei) of Japanese American families adapted to social, cultural, educational, occupational, and other institutions of American life. The study examines the experience of the first immigrants to the United States (Issei), and their children (Nisei) and grandchildren (Sansei). Interviews with Issei families stressed the difficulties faced by the immigrants during their early years in the United States, as well as aspects of social and cultural life. Interviews with Nisei included questions on employment, attitudes toward work, income, education, marriage, social relationships, discrimination, and religion. Topics covered in Sansei interviews included birth order, age, marital status, children, social relationships, occupation, industry, income, education, Japanese value systems, marital choices, influence of parents and grandparents, discrimination, religion, political attitudes, and migration.
External data

Latin American Migration Project (ICPSR 179)

Released/updated on: 2006-03-31
Geographic coverage: Haiti, Puerto Rico, Nicaragua, Dominican Republic, Paraguay, Peru, Global, Costa Rica, Latin America
Latin American Migration Project is a study to advance understanding of the complex processes of international migration and immigration to the United States. In addition to basic demographic data, the survey gathers information on family composition, fertility, infant mortality, household head marital history, labor history of the household head and his/her spouse, and ownership history of properties and businesses. Furthermore, detailed data on internal migration, migration to the mainland United States, and multiple aspects of key United States trips (work experience, income, social networks, remittances, welfare use, etc.) are also collected.
External data

Linked Employer-Employee Data of the IAB: LIAB Cross-sectional Model 2, 1993-2019 (ICPSR 37158)

Released/updated on: 2018-10-01
Geographic coverage: Germany
Time period: 1993-01-01--2019-12-31
The Linked-Employer-Employee-Data of the IAB (LIAB) combine interviews from the IAB Establishment Panel with the related establishment and individual data generated in labor administration and social security data processing. The latter cover administrative establishment information from the Establishment History Panel (BHP) and the employment biographies of individuals employed by the interviewed establishments. The LIAB data allow for simultaneous analysis of the supply and demand side of the German labor market. Note: The population of establishments in the LIAB QM2 9321 is somewhat smaller than in the previous version, LIAB QM2 9319, due to changes in the way in which the linkage consent is surveyed from 2020 onwards. The LIAB QM2 9321 therefore no longer contains all the establishments surveyed in the IAB Establishment Panel.
External data

Linked Employer-Employee Data of the IAB: LIAB Longitudinal Model, 1975-2017 (ICPSR 37159)

Released/updated on: 2018-10-01
Geographic coverage: Germany
Time period: 1975-01-01--2017-12-31
The Linked-Employer-Employee-Data of the IAB (LIAB) combine interviews from the IAB Establishment Panel with the related establishment and individual data generated in labor administration and social security data processing. The latter cover administrative establishment information from the Establishment History Panel (BHP) and the employment biographies of individuals employed by the interviewed establishments. The LIAB data allow for simultaneous analysis of the supply and demand side of the German labor market. The longitudinal model includes comprehensive employment biographies of individuals from a subsample of establishments repeatedly interviewed in the IAB Establishment Panel. Therefore, employment biographies can still be tracked in the events such as establishment changes or transitions into unemployment within this subgroup.
Curated
Partially restricted
Simple Crosstabs

Longitudinal Study of the Second Generation in Spain (ILSEG) (ICPSR 36286)

Released/updated on: 2016-09-13
Geographic coverage: Barcelona, Europe, Madrid, Spain
Time period: 2007-01-01--2007-12-31
This is the publicly available version of the ILSEG data (ILSEG is the Spanish acronym for Investigación Longitudinal de la Segunda Generación, Longitudinal Study of the Second Generation). Questions address the current situation and plans for the future of young Spaniards who are children of immigrants to Spain, who were living in Madrid and Barcelona and attending secondary school in 2007-2008. The longitudinal study of the second Generation (ISLEG in its Spanish initials) represents the first attempt to conduct a large-scale study of the adaptation of children of immigrants to Spanish society over time. To that end, a large and statistically representative sample of children born to foreign parents in Spain or those brought at an early age to the country was identified and interviewed in metropolitan Madrid and Barcelona. In total, almost 7,000 children of immigrants attending basic secondary school in close to 200 educational centers in both cities took part in the study. Topics include basic demographics, national origins, Spanish language acquisition, foreign language knowledge and retention, parents' education and employment, respondents' education and aspirations, religion, household arrangements, life experiences, and attitudes about Spanish society. Demographic variables include age, sex, birth country, language proficiency (Spanish and Catalan), language spoken in the home, number of siblings, mother's and father's birth country, religion, national identity, parent's sex, parent's marital status, parent's birth year, and the year the parent arrived in Spain.
Curated
Partially restricted
Simple Crosstabs

Malawi Longitudinal Study of Families and Health (MLSFH), 1998-2021 (ICPSR 20840)

Released/updated on: 2026-03-04
Geographic coverage: Malawi, Africa
Time period: 1998-01-01--2021-12-31

The Malawi Longitudinal Study of Families and Health (MLSFH) is one of very few long-standing longitudinal cohort studies in a poor Sub-Saharan African (SSA) context. It provides a record of more than 25 years of demographic, socioeconomic, and health conditions in one of the world's poorest countries. Initial data collection began in 1998 under the Malawi Diffusion and Ideational Change Project (MDICP) to examine social networks and fertility decisions among married women and their husbands. While this initial study population is still followed, the scope of the project and population expanded to a broader focus on social and contextual determinants of health across the lifecourse in Malawi.

This collection includes Rounds 1 through 9 of the MLSFH, as well as supplemental data collections from Sexual Diaries, Migration Follow-Ups (MHM), a Biomarker Survey, Adverse Childhood Experiences (ACE), and a Benefits of Knowledge Intervention Survey. The MLSFH Data web page contains additional information and cohort profiles for all MLSFH data collections, including those not made available through ICPSR-DSDR.

External data

Mexican Migration Project (ICPSR 177)

Released/updated on: 2006-03-31
Geographic coverage: Mexico, Global
Mexican Migration Project (MMP) is a yearly study of Mexican migrants that randomly samples households in communities throughout Mexico. After gathering social, demographic, and economic information on the household and its members, interviewers collect basic information on each person's first and last trip to the United States. From household heads, they compile a year-by-year history of United States migration and collect information about the last trip northward, focusing on employment, earnings, and use of United States social services.
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