Surveys per Year

Total number of national surveys per year

Respondents per Source

Asia Europe Survey1,000
Comparative National Elections Project4,300
Comparative Study of Electoral Systems6,723
European Election Study – Voter Study11,032
European Quality of Life Surveys4,081
European Social Survey14,988
European Values Study3,738
Flash Eurobarometer210,236
Integrated and United2,002
International Social Survey Programme16,975
Standard and Special Eurobarometer191,937
Voice of the People5,533


Survey data for Portugal consists of 472,545 individual respondents in 469 surveys from 12 sources between 1985 and 2020


Please let us know about other nationally representative and freely available surveys not listed here. We aim to continue expanding and enable formatting any variable from any source.