English Name
Time
Details from Source
ND
Manifesto Project
ParlGov
Wikipedia
CHES
EJPR PDY
V-Party
Wikipedia tags
CHISOLS
DPI
ESS prtc*
ESS prtv*
Kitschelt (2013)
PolCon
NeDe
PPMD (2006)
WhoGov
CCS
CSES-IMD
Elections Global
EP roll call votes
ERDDA (2013)
euandi (GPS)
EU-NED
Global Elections DB
GPD
GPS 2019
IPOD
Jennings / Wlezien
Laver / Hunt
Leaders Global
Mackie / Rose (1991)
NeDi
PAGED
PIP
Poll of Polls
POPPA
PPMD (all)
Ray (1999)
EES 2014
missing
Schlager / Weisblatt
EJS 2000
EJS 2010
added: June 28, 2014, 2:15 p.m. — updated: March 12, 2021, 11:16 a.m.