Longitudinal studies in the broader context of relationships and family research (selection)

German Ageing Survey (DEAS)
https://www.dza.de/en/research/deas

Generations and Gender Survey (GGS)
http://www.ggp-i.org/

National Educational Panel Study (NEPS)
https://www.neps-data.de/Mainpage

National Longitudinal Surveys (NLS)
http://www.bls.gov/nls

National Survey of Families and Households (NSFH)
http://www.ssc.wisc.edu/nsfh

Netherlands Kinship Panel Study (NKPS)
http://www.nkps.nl

Longitudinal Studies of Generations
www.icpsr.umich.edu/icpsrweb/ICPSR/studies/22100

Panel Study of Income Dynamics (PSID)
http://www.isr.umich.edu/src/psid

Survey of Health, Ageing and Retirement in Europe (SHARE)
http://www.share-project.org/

The German Socio-Economic Panel (SOEP)
http://www.diw.de/en/soep