# Name Parties Matches
Manifesto Project 29 29
ParlGov 53 53
Wikipedia 39 39
CHES 21 21
CLEA 33 33
EJPR PDY 32 32
V-Party 25 25
CHISOLS 14 14
DPI 25 25
ESS prtc* 12 12
ESS prtv* 12 12
Huber / Inglehart (1995) 7 7
Kitschelt (2013) 6 6
PolCon 15 15
PPMD (2006) 13 13
World Values Survey 16 16
CSES-IMD 15 15
Elections Global 18 18
EPAC (2018) 10 10
ERDDA (2013) 17 17
euandi (GPS) 10 10
Global Elections DB 12 12
Jennings / Wlezien 7 7
KUREP (2012) 6 6
MAPP 16 16
Mudde (2007) 2 2
PIP 18 18
POPPA 10 10
TAP 7 7
The PopuList 12 12
EES 2014 9 9