# Name Parties Matches
Mudde (2007) 4 4
Elections Global 50 50
DPI 13 13
Laver / Hunt 9 9
Global Elections DB 14 14
WhoGov 5 5
EU-NED 30 30
PAGED 24 24
ARPD 1 1
ParlSpeech 18 18
Wikipedia 92 92
PIP 28 28
Huber / Inglehart (1995) 8 8
IPOD 15 15
The PopuList 11 11
Leaders Global 13 13
CSES-IMD 11 11
ESS prtv* 41 41
Manifesto Project 40 40
PPMD (all) 9 9
Ray (1999) 16 16
GPD 2 2
EP roll call votes 20 20
GPS 2019 8 8
ESS prtc* 36 36
TAESD 7 7
Latinobarometer 5 5
PPEPE (2021) 3 3
Kitschelt (2013) 5 5
POPPA 11 11
Mackie / Rose (1991) 59 59
EJPR PDY 11 11
V-Party 52 52
EPAC (2018) 19 19
KUREP (2012) 12 12
PPDB (2017) 5 5
euandi (GPS) 4 4
EES 2014 9 9
CLEA 16 16
PolCon 17 17
Poll of Polls 22 22
TAP 5 5
Jennings / Wlezien 8 8
NPED 11 11
ERDDA (2013) 13 13
PPMD (2006) 5 5
World Values Survey 4 4
ParlGov 43 43
MAPP 17 17
Wikipedia tags 83 83
CHISOLS 31 31
CHES 26 26