# Name Parties Matches
ParlGov 53 53
Manifesto Project 29 29
ERDDA (2013) 17 17
CHES 21 21
EJPR PDY 32 32
Kitschelt (2013) 6 6
KUREP (2012) 6 6
Huber / Inglehart (1995) 7 7
EPAC (2018) 10 10
PPMD (2006) 13 13
CLEA 35 35
World Values Survey 16 16
EES 2014 9 9
PolCon 15 15
CHISOLS 14 14
DPI 25 25
Jennings / Wlezien 7 7
Wikipedia 39 39
Global Elections DB 12 12
euandi (GPS) 10 10
Elections Global 18 18
MAPP 16 16
CSES-IMD 15 15
PIP 18 18
Mudde (2007) 2 2
The PopuList 12 12
V-Party 25 25
POPPA 10 10
TAP 7 7
GPD 3 3
PPMD (all) 16 16
ESS prtc* 12 12
ESS prtv* 12 12
GPS 2019 8 8
Leaders Global 7 7
PPEPE (2021) 6 6