# Name Parties Matches
ParlGov 19 19
Manifesto Project 21 21
CHES 5 5
Kitschelt (2013) 7 7
Huber / Inglehart (1995) 9 9
EPAC (2018) 5 5
PPMD (2006) 8 8
CLEA 33 33
World Values Survey 10 10
Janda (1980) 2 2
PolCon 18 18
CHISOLS 19 19
DPI 18 18
Jennings / Wlezien 4 4
Wikipedia 35 35
Global Elections DB 21 21
Elections Global 22 22
CSES-IMD 8 8
V-Party 26 26
PPMD (all) 11 11
ESS prtc* 18 18
ESS prtv* 20 20
GPS 2019 4 4