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This Pew Research Center survey asked a nationally representative sample of 7,006 Asian American adults about their experiences living in, and views of, the United States. It covers topics such as racial and ethnic identity, religious identities and practices, policy priorities, discrimination and racism in America, affirmative action, global affairs, living with economic hardship and immigrant experiences.

The survey sampled U.S. adults who self-identify as Asian, either alone or in combination with other races or Hispanic ethnicity. It included oversamples of the Chinese, Filipino, Indian, Korean and Vietnamese populations. Respondents were drawn from a national sample of residential mailing addresses, which included addresses from all 50 states and the District of Columbia. Specialized surname list frames were used to supplement the sample. The survey was conducted on paper and web in six languages: Chinese (Simplified and Traditional), English, Hindi, Korean, Tagalog and Vietnamese. Responses were collected from July 5, 2022, to Jan. 27, 2023.

DonorsChoose.org is a crowdfunding website for public school teachers in the United States. Teachers at 84% of public schools have posted a project on the site. This data collection is sourced from the DonorsChoose public website. It includes user and system activity: projects posted by teachers on the website, donations that were applied to those projects, and resources requested for each project. These data cover all projects that were posted from September 2002 to June 30, 2019, and activity on them through December 31, 2019.

The donations data (n=11,377,479; 11 variables) include amount, donor type, and whether the donation was matched.

The resources data (n=13,291,370; 5 variables) include item name, unit price, quantity, and category of resource.

The public-use projects data (n=2,149,817; 28 variables) include title, category, state, grade level, date posted, and a unique identifier for the teacher.

The restricted-use projects data (n=2,149,817; 6 variables) include large open text fields such as the need statement and thank you note.

The National Congregations Study (NCS) is a national survey effort to gather information about America's congregations. The first wave of the NCS took place in 1998, and the study was repeated in 2006-07, 2012, and 2018-19. The NCS tracks continuity and change among American congregations, and each NCS wave also explores new subjects.

With information from 5,333 congregations collected over a span of more than 20 years, the NCS helps us better understand many aspects of congregational life in the United States, and how congregations are changing in the 21st century. The NCS contributes to knowledge about American religion by collecting information about a wide range of congregations' characteristics and activities at different points in time.

In all four waves, the NCS was conducted in conjunction with the General Social Survey (GSS). The 1998, 2006, 2012, and 2018 waves of the GSS asked respondents who attend religious services to name their congregation, thus generating a nationally representative sample of religious congregations. Researchers then located these congregations. In 2006, the sample included re-interviews of a subset of congregations that participated in 1998, and in 2018-19, the sample included re-interviews of a subset of congregations that participated in 2012.

A key informant at each congregation - a minister, priest, rabbi, or other staff person or leader - provided each congregation's information via a one-hour interview conducted either over the phone or in-person. The survey gathered information on many topics, including the congregation's leadership, social composition, structure, activities, and programming. The NCS gathers information about worship, programs, staffing, community activities, demographics, funding, and many other characteristics of American congregations. Respondents of the NCS survey were asked to describe the worship service and programs sponsored by the congregation other than the main worship services, including religious education classes, musical groups, and recreational programs. Informants described the type of building in which the congregation met, whether it belonged to the congregation, and whether visitors came just to view the building's architecture or artwork. Congregations were geocoded, and selected census variables are included in this study.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 147,268 interviews were conducted during the period of September 10-19, 2017. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2016, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 150,087 interviews were conducted during the period of September 13-19, 2015. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2014, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

Giving and Volunteering in the United States is a series of biennial national surveys that report trends in giving and charitable behavior. The surveys act as barometers of how socioeconomic conditions and tax laws affect the charitable behavior of Americans. They also chart public attitudes about a variety of issues that affect the climate for giving and volunteering, and explore behavioral and motivational factors that influence giving and volunteering. The series began in 1988, and the latest survey of the series was in 2001.

The Gallup Organization conducted in-home personal interviews with American adults aged 18 and older for Independent Sector for 1988, 1990, 1992, 1994, 1996, and 1999 surveys. For the 1988 survey, 2,775 American adults were interviewed from March 8 through March 22, 1988. The 1990 Giving and Volunteering survey resulted in 2,727 interviews from March 23 to May 20, 1990. Then for the 1992 survey, 2,671 American adults were interviewed from April 3 through May 17, 1992. From April 22 to May 15, 1994, 1,509 adult Americans were interviewed for the 1994 survey. The 1996 Giving and Volunteering survey resulted in 2,719 interviews from May 4 through June 16, 1996. For the 1999 survey, 2,553 adults were interviewed from May 1999 through July 1999. The Giving and Volunteering in the United States 2001 survey was a random digit dial (RDD) telephone survey conducted by Westat for Independent Sector from May 14, 2001, to July 22, 2001, with a representative national sample of 4,216 adults 21 years of age or older. The purpose of the interviews was to provide accurate trend data about the patterns of and the motivations for giving and volunteering in the United States. Data topics include trend data on charitable behavior, total giving of respondents' households, behavioral and motivational factors that influence giving and volunteering, economic conditions and tax laws affecting giving and volunteering, and public attitudes about a variety of issues as they may relate to the climate of giving and volunteering in the United States.

National and Local Profiles of Cultural Support collected data on public and private support for professional nonprofit arts and cultural organizations in three ways: a national mail survey of a random sample of arts organizations on their sources of revenue, more detailed mail surveys of the identified universe of arts and cultural organizations in ten specific communities, and in-person and telephone interviews with local government officials regarding public agency support (both financial and in-kind) in these ten communities. The ten communities are as follows: Amery, Wisconsin; Cleveland, Ohio; Los Angeles, California; Miami, Florida; Montgomery County, Maryland; Nashville, Tennessee; New Orleans, Louisiana; Philadelphia, Pennsylvania; Providence, Rhode Island; and San Jose, California. A collaborative effort of Americans for the Arts and the Arts Policy and Administration Program at The Ohio State University, the study was supported by The Pew Charitable Trusts and local arts agencies in ten communities across the country.

The National Survey collected data from professional nonprofit arts and cultural organizations on 22 revenue items for fiscal year 1998, across four categories--public contributed income, private contributed income, earned revenue, and interest and other investment income. Developed in close collaboration with the National Center for Charitable Statistics (NCCS), the survey was designed to facilitate comparisons with currently available data on the nonprofit arts, particularly data sets from arts service organizations and NCCS data sets based on IRS Form 990 data. The Local Government Support Survey involved semi-structured interviews with local officials in non-arts government agencies across 13 service areas in the ten communities profiled in this study. Among the agencies represented in these service areas were Administrative Services, Community Planning/Economic Development, Convention and Visitors Bureau, Parks and Recreation, Public Works, Police/Public Safety, and others. Two sets of interview forms were used, one to document the agency's mission and level of current and future arts involvement and a case form to document specific instances of arts support. Further, the Local Surveys, conducted in each of ten communities, collected data from professional nonprofit arts and cultural organizations on a battery of revenue items for fiscal year 1998, across four categories-public contributed income, private contributed income, earned revenue, and interest and other investment income. Developed in close collaboration with the National Center for Charitable Statistics (NCCS), the surveys were designed to facilitate comparisons with currently available data on the nonprofit arts, particularly data sets from arts service organizations and NCCS data sets based on IRS Form 990 data.

The number of respondents across data files ranges from 7 to 796.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 152,485 interviews were conducted during the period of September 14-23, 2014. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2013, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The USA Freedom Corps jointly sponsored the supplemental questions for September 2006.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 153,397 interviews were conducted during the period of September 17-24, 2006. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2005, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 152,274 interviews were conducted during the period of September 13-22, 2009. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2008, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community. Data are also provided on whether or not donations of money, assets, or property valued at 25 dollars or more were made in the past year to charitable or religious organizations.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The USA Freedom Corps also jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 151,968 interviews were conducted during the period of September 16-23, 2007. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2006, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 151,147 interviews were conducted during the period of September 13-20, 2008. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2007, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community. Data are also provided on whether or not donations of money, assets, or property valued at 25 dollars or more were made in the past year to charitable or religious organizations.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic monthly Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The United States Bureau of Labor Statistics and the Corporation for National and Community Service jointly sponsored the volunteer service supplemental questions.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

The volunteer supplement questions were asked of persons age 15 years old or older. Altogether, 152,531 interviews were conducted during the period of September 18-27, 2011. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2010, to the date of the interview. Household members were queried on their involvement in their community, about the frequency of volunteer activity, types of organizations they volunteered for, the types of activities they chose, whether any volunteering was done in a foreign country or more than 120 miles from home. Data are also provided on whether or not donations of money, assets, or property valued at 25 dollars or more were made in the past year to charitable or religious organizations.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The United States Bureau of Labor Statistics and the Corporation for National and Community Service jointly sponsored the volunteer service supplemental questions.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 152,627 interviews were conducted during the period of September 13-22, 2010. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2009, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community. Data are also provided on whether or not donations of money, assets, or property valued at 25 dollars or more were made in the past year to charitable or religious organizations.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 151,121 interviews were conducted during the period of September 16-25, 2012. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2011, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The Corporation for National and Community Service jointly sponsored the supplemental questions for September.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 149,961 interviews were conducted during the period of September 15-24, 2013. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2012, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 157,367 interviews were conducted during the period of September 14-20, 2003. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2002, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 154,495 interviews were conducted during the period of September 19-25, 2004. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2003, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire. The USA Freedom Corps jointly sponsored the supplemental questions for September 2005.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 153,087 interviews were conducted during the period of September 18-24, 2005. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2004, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.

This data collection is comprised of responses from two sets of survey questionnaires, the basic Current Population Survey (CPS) and a survey on the topic of volunteer service, which was administered as a supplement to the September CPS questionnaire.

The CPS, administered monthly, is a labor force survey providing current estimates of the economic status and activities of the population of the United States. Specifically, the CPS provides estimates of total employment (both farm and nonfarm), nonfarm self-employed persons, domestics, and unpaid helpers in nonfarm family enterprises, wage and salaried employees, and estimates of total unemployment. Data from the CPS are provided for the week prior to the survey.

All persons eligible for the labor force items of the basic CPS were also eligible for the volunteer supplement. Altogether, 159,434 interviews were conducted during the period of September 15-21, 2002. Proxy responses were allowed if attempts for a self-response were unsuccessful. The supplement contained questions about the household member's participation in volunteer service from September 1, 2001, to the date of the interview. Household members were queried about the frequency of volunteer activity, the kinds of organizations they volunteered with, the types of activities they chose, whether any volunteering was done in a foreign country, and involvement in their community.

Demographic variables include age, sex, race, Hispanic origin, marital status, veteran status, educational attainment, occupation, and income.