# Name Parties Matches
ParlGov 43 43
Manifesto Project 33 33
ERDDA (2013) 13 13
Mackie / Rose (1991) 59 59
CHES 26 26
EJPR PDY 11 11
Kitschelt (2013) 5 5
KUREP (2012) 12 12
Huber / Inglehart (1995) 8 8
EPAC (2018) 22 22
Ray (1999) 16 16
PPMD (2006) 5 5
CLEA 16 16
World Values Survey 4 4
EES 2014 9 9
PolCon 17 17
PPDB (2017) 5 5
CHISOLS 31 31
DPI 13 13
Jennings / Wlezien 8 8
Wikipedia 92 92
Global Elections DB 14 14
ParlSpeech 18 18
Laver / Hunt 9 9
euandi (GPS) 4 4
Latinobarometer 5 5
Elections Global 50 50
EP roll call votes 20 20
IPOD 15 15
MAPP 17 17
CSES-IMD 11 11
PIP 28 28
Mudde (2007) 4 4
The PopuList 11 11
V-Party 52 52
POPPA 11 11
TAP 5 5
GPD 2 2
PPMD (all) 9 9
ESS prtc* 29 29
ESS prtv* 32 32
GPS 2019 8 8
NPED 11 11
WhoGov 5 5
Leaders Global 13 13
PPEPE (2021) 3 3