English Name
Time
Details from Source
EK
Manifesto Project
ParlGov
Wikipedia
missing
CHES
CLEA
EnKe
EJPR PDY
Wikipedia tags
ESS prtc*
ESS prtv*
EU-NED
ENKENT
GPS 2019
PAGED
Poll of Polls
POPPA
NPPSI
UC
added: July 17, 2019, 11:52 p.m. — updated: March 12, 2021, 11:16 a.m.