English Name
Time
Details from Source
EVP
Manifesto Project
EVPPEV
ParlGov
EVPPEP
Wikipedia
EvPePaofSw
CHES
CLEA
EV
EJPR PDY
Wikipedia tags
ESS prtc*
PPMD (2006)
World Values Survey
CCS
CSES-IMD
EVP PEP
EU-NED
GPS 2019
IPOD
PrPePa
Mackie / Rose (1991)
EvVopoev
MAPP
PIP
PrPePaofSw
Poll of Polls
POPPA
PPMD (all)
Ray (1999)
PPP
NPPSI
EPP
EJS 2000
EJS 2010
added: June 9, 2020, 12:29 a.m. — updated: Aug. 19, 2023, 1:51 p.m.