0. Dictatorship
1. Democracy
0. Parliamentary democracy
1. Mixed (semi-presidential) democracy
2. Presidential democracy
3. Civilian dictatorship
4. Military dictatorship
5. Royal dictatorship
0. No local elections
1. Legislature locally elected
2. Legislature and executive locally elected
1. Free
2. Partly Free
3. Not Free
1. Majoritarian
2. Proportional
3. Mixed
1. Single-Member-District-Plurality (SMDP)
2. Two-Round System (TRS)
3. Alternative Vote (AV)
4. Borda Count (BC)
5. Block Vote (BV)
6. Party Block Vote (PBV)
7. Limited Vote (LV)
8. Single Nontransferable Vote (SNTV)
9. List Proportional Representation (List PR)
10. Single Transferable Vote (STV)
11. Mixed Dependent (or Mixed Member Proportional)
12. Mixed Independent (or Mixed Parallel)
1. Parliamentary democracy
2. Semi-presidential democracy
3. Presidential democracy
4. Civilian dictatorship
5. Military dictatorship
6. Royal dictatorship
1. Coexistence
2. Superposition
3. Fusion
4. Correction
5. Conditional
1. Plurality
2. Absolute Majority
3. Qualified Majority
4. Electoral College
5. Alternative Vote
2. Two Round Majority-Plurality
3. Two Round Qualified Majority
4. Two Round Majority Runoff
5. Alternative Vote (AV)
6. Borda Count (BC)
7. Modified Borda Count (mBC)
8. Block Vote (BV)
9. Party Block Vote (PBV)
10. Limited Vote (LV)
11. Single Nontransferable Vote (SNTV)
12. Hare quota
13. Hare quota with largest remainders
14. Hare quota with highest average remainders
15. Hagenbach-Bischoff quota
16. Hagenbach-Bischoff quota with largest remainders
17. Hagenbach-Bischoff quota with highest average remainders
18. Droop quota
19. Droop quota with largest remainders
20. Droop quota with highest average remainders
21. Imperiali quota
22. Imperiali quota with largest remainders
23. Imperiali quota with highest average remainders
24. Reinforced Imperiali quota
25. D’Hondt
26. Sainte-Laguë
27. Modified Sainte-Laguë
28. Single Transferable Vote
0. Never colonized by a Western overseas colonial power
1. Dutch
2. Spanish
3. Italian
4. US
5. British
6. French
7. Portuguese
8. Belgian
9. British-French
10. Australian
1. Eastern Europe and post Soviet Union
2. Latin America
3. North Africa & the Middle East
4. Sub-Saharan Africa
5. Western Europe and North America
6. East Asia
7. South-East Asia
8. South Asia
9. The Pacific
10. The Caribbean
1. Limited Multiparty
2. Partyless
3. No-Party
4. Military
5. Military No-Party
6. Military Multiparty
7. Military One-Party
8. One-Party
9. Other
16. One-Party Monarchy
17. Monarchy
18. Rebel Regime
19. Civil War
20. Occupation
21. Theocracy
22. Transitional Regime
23. No-Party Monarchy
24. Multiparty Monarchy
100. Democracy
1. Monarchy
2. Military
3. One Party
4. Multi-Party
9. No-Party
99. Other
1. PR
2. Plurality/Majority
4. Transition
5. Other
6. Unspecified
7. Not applicable
1. List PR
2. BV
3. PBV
4. FPTP
5. TRS
6. MMP
7. STV
8. AV
9. SNTV
10. SNTV and List PR
11. LV/BV
12. FPTP/SNTV
13. FPTP/BV
14. FPTP/PBV
15. Parallel
16. Transition
17. Modified BC
18. N
19. Unspecified
1. TRS
2. TRS +'L'
3. List PR
5. SV
6. STV
7. Transition
8. Indirectly elected (by Parliament/Assembly/Legislature)
9. Not Applicable
0. No
1. Yes
2. Regular Limits Applies
2. Not Applicable
3. Sometimes
1. English Common Law
2. French Commercial Code
3. Socialist/Communist Laws
4. German Commercial Code
5. Scandinavian Commercial Code
0. Presidential
1. Assembly-Elected President
2. Parliamentary
1. Right
2. Center
3. Left
0. PR
2. Foreign-Occupied
3. Not Independent
4. Provisional
5. Warlord
6. Warlord/Foreign-Occupied
1. Indirect Military
3. Military-Personal
4. Monarchy
5. Oligarchy
6. Party
7. Party-Military
8. Party-Military-Personal
9. Party-Personal
10. Personal
1. Wave 1 (1981-1984)
2. Wave 2 (1989-1993)
3. Wave 3 (1994-1999)
4. Wave 4 (1999-2004)
5. Wave 5 (2004-2008)