Multi-national Databases
ESS - European Social Survey
EDAC, the European Data Center for Work and Welfare
ISSP: International Social Survey Programme
LIS: Luxembourg Income Study
The Integrated Fertility Survey Series (IFSS) (ICPSR)
PISA: OECD Programme for International Student assessment
TIMSS: Trends in International Mathematics and Science Study and Science Study
PROMINSTAT: Promoting Comparative Quantitative Research in the Field of Migration and Integration in Europe
Other Data Sources
NES: American National Election Studies
PSID: The Panel Study of Income Dynamics
SOSIG: Social Sciences Information Gateway
SDA - Survey Documentation and Analysis (University of California, Berkeley)
CASS: The Question Bank
Census Material
IPUMS - Minnesota Population Centera
UK Data Service Census Support