English Name
Time
Details from Source
SVP
Manifesto Project
SVPUDC
ParlGov
Wikipedia
CHES
CLEA
DEM
EJPR PDY
V-Party
Wikipedia tags
CHISOLS
DPI
SP
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
UDC
Kitschelt (2013)
PolCon
Pe
PPMD (2006)
WhoGov
World Values Survey
CCS
CSES-IMD
SVP UDC
Elections Global
EU-NED
Global Elections DB
SwPePaofthCe
GPD
SwPePa
GPS 2019
IPOD
PePa
Jennings / Wlezien
MAPP
PIP
Poll of Polls
POPPA
PPMD (all)
Ray (1999)
SPP
TAP
The PopuList
Schlager / Weisblatt
EJS 2000
EJS 2010
WPID (micro-data)
BGBPAB SVPUDC
added: March 11, 2026, 3:32 p.m. — updated: March 11, 2026, 4:33 p.m.