English Name
Time
Link
Details from Source
EK
Manifesto Project
ParlGov
CHES
CLEA
EnKe
EJPR PDY
Wikipedia tags
ESS prtc*
ESS prtv*
EU-NED
ENKENT
GPS 2019
PAGED
PIP
UnofCe
Poll of Polls
POPPA
NPPSI
UC
added: July 8, 2018, 7:45 p.m. — updated: Dec. 15, 2023, 12:09 p.m.