# Name Parties Matches
Manifesto Project 26 26
ParlGov 42 42
Wikipedia 46 46
CHES 20 20
CLEA 21 21
EJPR PDY 29 29
CHISOLS 6 6
DPI 21 21
Huber / Inglehart (1995) 7 7
Kitschelt (2013) 7 7
PolCon 13 13
PPMD (2006) 8 8
World Values Survey 4 4
CSES 6 6
EPAC (2018) 10 10
ERDDA (2013) 22 22
euandi (GPS) 7 7
Global Elections DB 21 21
KUREP (2012) 10 10
MAPP 15 15
PIP 19 19
POPPA 8 8
The PopuList 11 11
EES 2014 8 8