English Name
Time
Details from Source
GERB
Manifesto Project
ParlGov
Wikipedia
missing
CHES
CLEA
GE
EJPR PDY
V-Party
Wikipedia tags
DPI
ESS prtc*
ESS prtv*
Kitschelt (2013)
WhoGov
World Values Survey
NA
CSES-IMD
Elections Global
EPAC (2018)
ERDDA (2013)
euandi (GPS)
EU-NED
GPD
CifoEuDeofBu
GPS 2019
Jennings / Wlezien
KUREP (2012)
CEDB
Leaders Global
PAGED
PIP
Poll of Polls
POPPA
PPMD (all)
CPB
The PopuList
EES 2014
PPEPE (2021)
EJS 2010
added: July 11, 2016, 12:58 p.m. — updated: March 12, 2021, 11:15 a.m.