English Name
Time
Share
Wikipedia
Party Facts ID
Manifesto Project
CKMP
ParlGov
MHP
CHES
CLEA
V-Party
Wikipedia tags
CHISOLS
NAP
DPI
NA
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
Kitschelt (2013)
PolCon
NaAcPa
PPMD (2006)
WhoGov
World Values Survey
CSES-IMD
Elections Global
EPAC (2018)
EU-NED
Global Elections DB
GPS 2019
Jennings / Wlezien
PPMD (all)