# Name Parties Matches
Manifesto Project 23 23
Wikipedia 50 50
CLEA 12 12
CHISOLS 9 9
DPI 15 15
Huber / Inglehart (1995) 2 2
Kitschelt (2013) 5 5
PolCon 19 19
World Values Survey 3 3
Coppedge (1997) 26 26
CSES 8 8
LAEDA 18 18
Latinobarometer 24 24
PPLA (2009) 15 15