English Name
Time
Details from Source
KOK
Manifesto Project
KK
ParlGov
Wikipedia
CHES
CLEA
Kako
EJPR PDY
V-Party
Wikipedia tags
CHISOLS
DPI
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
Kitschelt (2013)
Kok
PolCon
NaCo
PPMD (2006)
WhoGov
World Values Survey
CCS
NaCoPa
CSES-IMD
Elections Global
EPAC (2018)
ERDDA (2013)
KON
euandi (GPS)
EU-NED
Global Elections DB
GPS 2019
IPOD
Jennings / Wlezien
KUREP (2012)
Laver / Hunt
Leaders Global
Mackie / Rose (1991)
KaKo
MAPP
Morgan (1976)
CONS
PAGED
PIP
Poll of Polls
POPPA
PPMD (all)
Ray (1999)
NC
EES 2014
KaKoKo
Schlager / Weisblatt
NCP
EJS 2000
EJS 2010
PHW 1929
NaUnPa
added: Feb. 14, 2019, 2:15 p.m. — updated: March 12, 2021, 11:15 a.m.