English Name
Time
Link
Details from Source
ELAM
Manifesto Project
Wikipedia
CHES
CLEA
NaPeFr
EJPR PDY
ESS prtc*
ESS prtv*
World Values Survey
UBP
euandi (GPS)
EU-NED
GPS 2019
Poll of Polls
POPPA
TAP
The PopuList
NPPSI
NPF
added: Dec. 31, 2012, 12:37 a.m. — updated: Dec. 11, 2023, 11:42 p.m.