English Name
Time
Details from Source
LdT
Manifesto Project
ParlGov
Wikipedia
TiLe
CHES
EJPR PDY
Wikipedia tags
ESS prtc*
ESS prtv*
World Values Survey
NA
CCS
Lega
CSES-IMD
EU-NED
LEGA
GPS 2019
NPED
TL
PIP
POPPA
TAP
The PopuList
NPPSI
EJS 2010
LT
added: June 13, 2014, 10:41 p.m. — updated: March 12, 2021, 11:15 a.m.