English Name
Time
Details from Source
PPP
Wikipedia
CLEA
PaPePe
V-Party
Kitschelt (2013)
PolCon
DeUnPa
WhoGov
World Values Survey
Elections Global
Global Elections DB
GPS 2019
Schlager / Weisblatt
added: Aug. 26, 2017, 9:10 p.m. — updated: March 12, 2021, 11:14 a.m.