# Name Parties Matches
ParlGov 36 36
Manifesto Project 31 31
ERDDA (2013) 19 19
CHES 14 14
EJPR PDY 13 13
Kitschelt (2013) 6 6
KUREP (2012) 10 10
Huber / Inglehart (1995) 10 10
EPAC (2018) 10 10
PPMD (2006) 7 7
CLEA 26 26
World Values Survey 8 8
EES 2014 3 3
PolCon 17 17
CHISOLS 14 14
DPI 22 22
Jennings / Wlezien 7 7
Wikipedia 54 54
Global Elections DB 13 13
euandi (GPS) 9 9
Elections Global 41 41
MAPP 40 40
CSES-IMD 25 25
CCS 14 14
PIP 17 17
Mudde (2007) 2 2
The PopuList 6 6
V-Party 51 51
POPPA 6 6
TAP 6 6
GPD 5 5
PPMD (all) 8 8
ESS prtc* 13 13
ESS prtv* 13 13
GPS 2019 6 6
Leaders Global 14 14
PPEPE (2021) 2 2