English Name
Time
Details from Source
UD
Manifesto Project
CLEA
EJPR PDY
DPI
Huber / Inglehart (1995)
PolCon
DeUn
WhoGov
ERDDA (2013)
Global Elections DB
Leaders Global
PAGED
PIP
added: April 28, 2019, 5:59 p.m. — updated: March 12, 2021, 11:16 a.m.