English Name
Time
Link
Details from Source
PSDR
Manifesto Project
ParlGov
CLEA
PDSR
V-Party
Wikipedia tags
CHISOLS
SDPR
DPI
Huber / Inglehart (1995)
WhoGov
World Values Survey
CSES-IMD
Elections Global
ERDDA (2013)
Leaders Global
PAGED
PIP
added: July 8, 2018, 7:46 p.m. — updated: Dec. 15, 2023, 12:09 p.m.