# Name Parties Matches
Manifesto Project 41 41
Wikipedia 61 61
CHES 11 11
CLEA 17 17
CHISOLS 7 7
DPI 6 6
Kitschelt (2013) 7 7
PolCon 19 19
PPMD (2006) 5 5
World Values Survey 11 11
CSES 8 8
EPAC (2018) 20 20
Jennings / Wlezien 6 6
Mudde (2007) 4 4
Parties-PostYug 29 29