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National-Level Longitudinal Surveys (United States): Home

Comparing NLS, PSID and SIPP

  National Longitudinal Surveys (NLS) Panel Study of Income Dynamics (PSID) Survey of Income & Program Participation (SIPP)
Starting date 1966 1968 1983 (data begins with 1984) *
Sample National, including military 1) National, 2) households at or below 150% poverty line, Latino National, noninstitutionalized
Periodicity of interviews Some biennial, some annual Annual Monthly
Survey design Longitudinal Longitudinal Multistage (panels of 2 1/2 to 4 years duration)
Labor force information, employment Y Y Y
Job training Y Y Y
Retirement decisions Y Y  
Income sources Y Y Y
Household earnings Y Y Y
Pensions Y Y Y
Government assistance Y (Public assistance) Y (Public assistance) Y (Benefits programs)
Schooling, education Y Y Y
Marriage Y Y Y
Fertility Y Y  
Child care Y Y Y
Child development Y    
Food expenditures   Y  
Transportation Y Y Y (Assistance)
Car ownership Y Y Y
Car and home maintenance   Y  
Health Y Y Y
Medical expenditures   Y  
Private health insurance Y Y Y
Drug & alcohol use Y Y  
December 3, 1999     *Predecessor program (1977-1981) was Income Survey Development Program (ISDP)