# Name Parties Matches
Manifesto Project 8 8
PPLA (2009) 10 10
Kitschelt (2013) 6 6
Huber / Inglehart (1995) 7 7
CLEA 21 21
World Values Survey 5 5
Coppedge (1997) 32 32
PolCon 18 18
CHISOLS 9 9
DPI 12 12
Wikipedia 51 51
LAEDA 15 15
Latinobarometer 23 23
Elections Global 34 34
CSES-IMD 12 12
CCS 19 19
V-Party 36 36
PPMD (all) 10 10
GPS 2019 4 4