Individual Study / IFLS

Indonesia Family Life Survey

Indonesia Family Life Survey

Initiatives -
The Indonesian Family Life Survey (IFLS) is an on-going longitudinal survey in Indonesia. The sample is representative of about 83% of the Indonesian population- The Indonesia Family Life Survey is designed to provide data for studying behaviors and outcomes. The survey contains a wealth of information collected at the individual and household levels, including multiple indicators of economic and non-economic well-being: consumption, income, assets, education, migration, labor market outcomes, marriage, fertility, contraceptive use, health status, use of health care and health insurance, relationships among co-resident and non- resident family members, processes underlying household decision-making, transfers among family members and participation in community activities.
Start Year
National Institute for Child Health and Human Development, USAID, the Ford Foundation, and the World Health Organization.
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Investigators Contacts
  • Dr. Prof. Paul Gertler
    University of California


Study design
Population cohort
Follow Up
The follow up survey has been conducted in 1997-98(IFLS2), 2000(IFLS3), 2007-08(IFLS4) and 2014-15(IFLS5).

Marker Paper

Strauss J., Witoelar F. (2019) Indonesia Family Life Survey. In: Gu D., Dupre M. (eds) Encyclopedia of Gerontology and Population Aging. Springer, Cham.


Sources of Recruitment
  • Individuals

Number of participants

Number of participants
Number of participants with biosamples
Supplementary Information
Individuals living in 13 of the 27 provinces in the country.


Availability of data and biosamples