# Name Parties Matches
ParlGov 64 64
Manifesto Project 26 26
ERDDA (2013) 13 13
Morgan (1976) 18 18
Mackie / Rose (1991) 31 31
CHES 25 25
EJPR PDY 20 20
Kitschelt (2013) 7 7
KUREP (2012) 9 9
Huber / Inglehart (1995) 12 12
EPAC (2018) 12 12
Ray (1999) 12 12
PPMD (2006) 9 9
CLEA 14 14
Janda (1980) 5 5
Thomas (1975) 9 9
EES 2014 5 5
PolCon 34 34
PPDB (2017) 2 2
CHISOLS 39 39
DPI 12 12
Wikipedia 64 64
Global Elections DB 16 16
Laver / Hunt 7 7
euandi (GPS) 10 10
Elections Global 30 30
EP roll call votes 22 22
IPOD 18 18
MAPP 15 15
CSES-IMD 12 12
PIP 16 16
Mudde (2007) 4 4
The PopuList 6 6
V-Party 35 35
POPPA 13 13
TAP 9 9
GPD 3 3
PPMD (all) 10 10
ESS prtc* 29 29
ESS prtv* 32 32
GPS 2019 7 7
Leaders Global 18 18
PPEPE (2021) 4 4