# Name Parties Matches
ParlGov 23 23
Manifesto Project 11 11
ERDDA (2013) 11 11
Morgan (1976) 8 8
Mackie / Rose (1991) 16 16
CHES 9 9
EJPR PDY 13 13
Kitschelt (2013) 7 7
Huber / Inglehart (1995) 9 9
Ray (1999) 8 8
PPMD (2006) 8 8
CLEA 25 25
World Values Survey 10 10
PolCon 12 12
PPDB (2017) 7 7
CHISOLS 12 12
DPI 7 7
Jennings / Wlezien 7 7
Wikipedia 23 23
Global Elections DB 8 8
Laver / Hunt 8 8
Elections Global 18 18
IPOD 10 10
MAPP 9 9
CSES-IMD 10 10
CCS 8 8
PIP 9 9
The PopuList 6 6
V-Party 18 18
POPPA 9 9
TAP 3 3
GPD 3 3
PPMD (all) 14 14
ESS prtc* 12 12
ESS prtv* 12 12
GPS 2019 9 9
Leaders Global 7 7