Closed autocracy
Closed autocracy upper bound
Electoral autocracy lower bound
Electoral autocracy
Electoral autocracy upper bound
Electoral democracy lower bound
Electoral democracy
Electoral democracy upper bound
Liberal democracy lower bound
Liberal democracy
East Asia and Pacific
Europe and Central Asia
Latin America and the Caribbean
Middle East and North Africa
North America
South Asia
Sub-Saharan Africa
Plurality (FPP)
Majority
Proportional representation
Mixed systems
Unitary system
Confederation
Federal system
No
Yes
Single-Member-District-Plurality (SMDP)
Two-Round System (TRS)
Alternative Vote (AV)
Borda Count (BC)
Block Vote (BV)
Party Block Vote (PBV)
Limited Vote (LV)
Single Nontransferable Vote (SNTV)
List Proportional Representation (List PR)
Single Transferable Vote (STV)
Mixed Dependent (or Mixed Member Proportional)
Mixed Independent (or Mixed Parallel)
Majoritarian
Proportional
Mixed
Two Round Majority-Plurality
Two Round Qualified Majority
Two Round Majority Runoff
Modified Borda Count (mBC)
Hare quota
Hare quota with largest remainders
Hare quota with highest average remainders
Hagenbach-Bischoff quota
Hagenbach-Bischoff quota with largest remainders
Hagenbach-Bischoff quota with highest average remainders
Droop quota
Droop quota with largest remainders
Droop quota with highest average remainders
Imperiali quota
Imperiali quota with largest remainders
Imperiali quota with highest average remainders
Reinforced Imperiali quota
D'Hondt
Sainte-Lague
Modified Sainte-Lague
Single Transferable Vote
no
yes
unclear
indirect military
military
military-personal
monarchy
oligarchy
party
party-military
party-military-personal
party-personal
personal
Free
Partly Free
Not Free
Monarchy
Military
One-party
Multi-party
No-party
Other
limited multiparty
partyless
no-party
military trad
military no-party
military multiparty
military one-party
one-party
other
one-party monarchy
rebel regime
civil war
occupation
theocracy
transitional
no-party monarchy
multiparty monarchy
democracy
Eastern Europe and post Soviet Union
Latin America
North Africa & the Middle East
Western Europe and North America
East Asia
South-East Asia
The Pacific
The Caribbean
Never colonized by a Western overseas colonial power
Dutch
Spanish
Italian
US
British
French
Portuguese
Belgian
British-French
Australian
Single-party majority government
Minimal winning coalition
Surplus coalition
Single-party minority government
Multi-party minority government
Caretaker government
Technocratic government
Dictatorship
Personal
Party
Party-Personal
Party-Military
Military-Personal
Party-Personal-Military
Oligarchy
Indirect Military
Universally prohibited
Prohibited except in the case of war
Prohibited with other exception(s)
Explicitly allowed
Left explicitly to non-constitution
Not specified
Yes, but with limitations
Unable to determine
The state has no official religion
The state has multiple established religions
The state has one established religion