English Name
Time
Share
Wikipedia
Party Facts ID
1989 · MSZMP
Manifesto Project
MSzP
ParlGov
MSZP
CHES
CLEA
MSZMP
EJPR PDY
V-Party
Wikipedia tags
CHISOLS
DPI
HSP
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
Kitschelt (2013)
PolCon
HuSo
PPMD (2006)
WhoGov
World Values Survey
CCDD 2018
CCS
CSES-IMD
Elections Global
ERDDA (2013)
euandi (GPS)
EU-NED
Global Elections DB
GPD
HuSoPa
Jennings / Wlezien
KUREP (2012)
Leaders Global
MAPP
PAGED
PIP
Poll of Polls
POPPA
PPDB (2017)
SoPa
PPMD (all)