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Current Population Survey (CPS)/Social Security Summary Earnings (SER) Exact Match File, March 1978 (ICPSR 9039)

Principal Investigator(s): United States Department of Commerce. Bureau of the Census


This data collection supplies standard monthly labor force data for the week prior to the survey. Comprehensive information is given on the employment status, occupation, and industry of persons 14 years old and older. Additional data are available concerning weeks worked and hours per week worked, reason not working full-time, total income and income components, and residence. This file matches earnings data from Social Security summary earnings records (SER) for all persons over 14 years of age with data from the CURRENT POPULATION SURVEY: ANNUAL DEMOGRAPHIC FILE, 1978 (ICPSR 7836). SER data includes total earnings from 1937 through 1978, annual earnings from 1951-1978, and quarters worked for purposes of Social Security from 1937-1978. Information on demographic characteristics, such as sex, age, race, Hispanic origin, educational background, and household relationship, is available for each person in the household enumerated.

Series: Current Population Survey Series

Access Notes

  • Data in this collection are available only to users at ICPSR member institutions. Please log in so we can determine if you are with a member institution and have access to these data files.


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Study Description


United States Department of Commerce. Bureau of the Census. Current Population Survey (CPS)/Social Security Summary Earnings (SER) Exact Match File, March 1978. ICPSR09039-v3. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2009-03-12. https://doi.org/10.3886/ICPSR09039.v3

Persistent URL: https://doi.org/10.3886/ICPSR09039.v3

Export Citation:

  • RIS (generic format for RefWorks, EndNote, etc.)
  • EndNote XML (EndNote X4.0.1 or higher)

Scope of Study

Subject Terms:    census data, demographic characteristics, employment, Hispanic origins, households, income, job history, labor force, pension plans, pensions, population characteristics, population estimates, social security, unemployment, working hours

Geographic Coverage:    United States

Time Period:   

  • 1978-03

Date of Collection:   

  • 1978-03

Universe:    All persons 14 years old and older in the civilian noninstitutionalized population of the United States including members of the armed forces living in civilian housing in March 1978.

Data Type(s):    administrative records data, survey data

Data Collection Notes:

The data are contained in one combined rectangular file. (Each person in the survey has a combined record.) The file has information on 67,900 households, 58,448 families, and 155,706 individuals. There are a total of 412 variables. Household records contain 39 variables, family records contain 79 variables, and person records contain 294 variables.


Sample:    A national probability sample was used in selecting the housing units. A total of 67,900 households were sampled.

Weight:    All records contain weights, which must be used in any analysis.

Data Source:

Social Security Administration records

Extent of Processing:   ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Standardized missing values.
  • Checked for undocumented or out-of-range codes.


Original ICPSR Release:   1984-03-18

Version History:

  • 2009-03-12 ICPSR has added the original technical documentation as a User Guide in PDF format. This document is added to the collection merely as a reference resource for users. Users should continue to refer to the codebook for column location and information pertaining to the rectangular data file.

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