Plurality (FPP)
Majority
Proportional representation
Mixed systems
Missing information
N/A - no legislature
N/A - no elected legislature
No
Yes
N/A - no constitution
N/A - constitution in force
N/A - no amendment
N/A - unicameral
N/A - no const. court
N/A - no removal
N/A - no central bank
No executive elections
N/A - no inexact schedule
N/A - no reserved seats
N/A - no banned parties
N/A - no election this year
N/A - no election protest
N/A - no postponed/canceled election
N/A - no elections
Limited Multiparty
Partyless
No Party
Military
Military no party
Military multi party
Military one party
One party
Other
One party monarchy
Monarchy
Rebel Regime
Civil war
Occupation
Theocracy
Transition
No party monarchy
Multiparty monarchy
Democracy
Free
Partly Free
Not Free
NA
Right
Center
Left
Presidential
Assembly-Elected President
Parliamentary
1. Yes
2. No
90. left explicitly to non-constitution
96. Other
97. Unable to determine
2. Yes, but with limitations
3. No
Plurality
Absolute Majority
Qualified Majority
Electoral College
Alternative Vote
Majoritarian
Proportional
Mixed
Single-Member-District-Plurality (SMDP)
Two Round Majority-Plurality
Two Round Qualified Majority
Two Round Majority Runoff
Alternative Vote (AV)
Borda Count (BC)
Modified Borda Count (mBC)
Block Vote (BV)
Party Block Vote (PBV)
Limited Vote (LV)
Single Nontransferable Vote (SNTV)
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
1. English Common Law
2. French Commercial Code
3. Socialist/Communist Laws
4. German Commercial Code
5. Scandinavian Commercial Code
Mixed/Unclear