# Name Parties Matches
ParlGov 41 41
Manifesto Project 27 27
ERDDA (2013) 22 22
Morgan (1976) 12 12
Mackie / Rose (1991) 33 33
CHES 19 19
EJPR PDY 23 23
Kitschelt (2013) 12 12
KUREP (2012) 13 13
Huber / Inglehart (1995) 9 9
EPAC (2018) 13 13
Ray (1999) 15 15
PPMD (2006) 11 11
CLEA 46 46
EES 2014 12 12
PolCon 29 29
PPDB (2017) 12 12
CHISOLS 27 27
DPI 25 25
Jennings / Wlezien 8 8
Wikipedia 39 39
Global Elections DB 24 24
Laver / Hunt 11 11
euandi (GPS) 12 12
Elections Global 25 25
EP roll call votes 14 14
IPOD 21 21
MAPP 19 19
CSES-IMD 13 13
CCS 17 17
PIP 21 21
Mudde (2007) 5 5
The PopuList 5 5
V-Party 27 27
POPPA 13 13
TAP 5 5
PPMD (all) 19 19
ESS prtc* 20 20
ESS prtv* 28 28
GPS 2019 10 10