English Name
Time
Details from Source
ELAM
Manifesto Project
ParlGov
Wikipedia
CHES
CLEA
NaPeFr
EJPR PDY
ESS prtc*
ESS prtv*
euandi (GPS)
EU-NED
GPS 2019
Poll of Polls
POPPA
TAP
The PopuList
NPPSI
NPF
added: July 21, 2015, 10:19 a.m. — updated: March 12, 2021, 11:15 a.m.