# Name Parties Matches
Manifesto Project 34 34
ParlGov 50 50
Wikipedia 53 53
CHES 17 17
CLEA 23 23
EJPR PDY 27 27
V-Party 46 46
CHISOLS 24 24
DPI 27 27
ESS prtc* 8 8
ESS prtv* 8 8
Kitschelt (2013) 8 8
PolCon 29 29
PPMD (2006) 7 7
World Values Survey 3 3
CSES-IMD 8 8
Elections Global 37 37
EPAC (2018) 17 17
ERDDA (2013) 21 21
euandi (GPS) 8 8
Global Elections DB 26 26
KUREP (2012) 8 8
Mudde (2007) 1 1
PIP 27 27
TAP 5 5
The PopuList 7 7
EES 2014 7 7