# Name Parties Matches
Manifesto Project 30 30
CHES 12 12
Kitschelt (2013) 6 6
KUREP (2012) 11 11
Huber / Inglehart (1995) 13 13
EPAC (2018) 14 14
PPMD (2006) 6 6
CLEA 24 24
World Values Survey 34 34
PolCon 8 8
CHISOLS 1 1
DPI 17 17
Wikipedia 46 46
Elections Global 21 21
CSES-IMD 21 21
Mudde (2007) 2 2
V-Party 25 25
GPD 6 6
PPMD (all) 6 6
ESS prtc* 38 38
ESS prtv* 41 41
GPS 2019 6 6
Leaders Global 11 11