# Name Parties Matches
ParlGov 32 32
Manifesto Project 41 41
CHES 18 18
EJPR PDY 17 17
Kitschelt (2013) 10 10
EPAC (2018) 16 16
PPMD (2006) 11 11
CLEA 23 23
World Values Survey 9 9
EES 2014 8 8
PolCon 6 6
CHISOLS 2 2
DPI 12 12
Jennings / Wlezien 3 3
Wikipedia 50 50
Global Elections DB 8 8
Parties-PostYug 20 20
euandi (GPS) 7 7
Elections Global 23 23
MAPP 22 22
CSES-IMD 10 10
PIP 19 19
Mudde (2007) 5 5
The PopuList 8 8
V-Party 33 33
POPPA 14 14
TAP 4 4
PPMD (all) 13 13
ESS prtc* 11 11
ESS prtv* 11 11
GPS 2019 10 10