English Name
Time
Share
Wikipedia
Party Facts ID
Manifesto Project
SGP
ParlGov
CHES
CLEA
StGePa
EJPR PDY
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
PPMD (2006)
World Values Survey
CCS
CSES-IMD
EP roll call votes
SGPGPVRPF
ERDDA (2013)
EU-NED
IPOD
RePoPa
KUREP (2012)
Laver / Hunt
Mackie / Rose (1991)
MAPP
Morgan (1976)
PAGED
ParlSpeech
PIP
Poll of Polls
POPPA
PPDB (2017)
PPMD (all)
Ray (1999)
TAP
The PopuList