English Name
Time
Details from Source
PO
Manifesto Project
ParlGov
Wikipedia
CHES
CLEA
EJPR PDY
POC
V-Party
Wikipedia tags
DPI
ESS prtc*
ESS prtv*
Kitschelt (2013)
PolCon
CiPl
PPMD (2006)
WhoGov
World Values Survey
CCDD 2018
CSES-IMD
Elections Global
EPAC (2018)
ERDDA (2013)
euandi (GPS)
EU-NED
Global Elections DB
KWVoCiPlofReofPo
GPD
GPS 2019
Jennings / Wlezien
KUREP (2012)
Leaders Global
MAPP
PAGED
Poll of Polls
POPPA
PPDB (2017)
PPMD (all)
TAESD
EES 2014
PlOb
Schlager / Weisblatt
EJS 2010
added: July 17, 2019, 11:52 p.m. — updated: March 12, 2021, 11:16 a.m.