English Name
Time
Details from Source
ELAM
Manifesto Project
ParlGov
Wikipedia
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: June 20, 2020, 1 a.m. — updated: Feb. 14, 2025, 8:11 a.m.