English Name
Time
Details from Source
PDAR
Manifesto Project
ParlGov
CHISOLS
ADP
Huber / Inglehart (1995)
WhoGov
CSES-IMD
ERDDA (2013)
PAGED
PIP
added: July 20, 2015, 11:05 p.m. — updated: March 16, 2021, 12:31 a.m.