Template:Electoral systems sidebar/sandbox

• Plurality (FPP)
• Two-round (US: Jungle primary)
• Partisan primary
• Alternative vote (US: Ranked-choice/RCV)

Condorcet methods

• Ranked pairs
• Schulze
• Minimax
• Kemeny–Young
• Nanson
• Condorcet-IRV
• Maximal lottery

Positional voting

• Plurality
• Borda count
• Antiplurality

Cardinal voting

• Score voting
• Approval voting
• Majority judgment
• STAR voting
• Quadratic voting

• List type
  • Open list
  • Closed list
  • Localized list
  • Panachage
  • Mixed single vote
• Apportionment
  • Highest averages
  • Largest remainders
  • National remnant
  • Biproportional

Quota-remainder methods

• Hare STV
• Schulze STV
• CPO-STV
• Quota Borda
• Cumulative

Approval-based committees

• Thiele's method
• Phragmen's method
• Expanding approvals rule
• Method of equal shares

Fractional social choice

• Direct representation
  • Interactive representation
  • Liquid democracy
• Fractional approval voting
• Maximal lottery

• Mixed-member majoritarian
• Mixed-member proportional

Non-compensatory mixed systems

• Parallel voting
• Majority bonus

Compensatory mixed systems

• Additional member system
• Majority jackpot
• Scorporo
• Mixed ballot transferable vote
• Alternative Vote Plus
• Dual-member proportional
• Rural–urban proportional

• Condorcet criterion
• Smith independence
• Spoiler independence
• Clone independence

Strategy-resistance

• No lesser evil voting
• Binary independence
• Maskin monotonicity
• Later-no-harm
• Later-no-help

Rational response

• Participation criterion
• Positive response
• Reinforcement criterion
• Reversal symmetry

• Arrow's theorem
• Majority impossibility
• Moulin's impossibility theorem
• McKelvey–Schofield chaos theorem
• Gibbard's theorem
• Fishburn's example

Positive results

• Median voter theorem
• Condorcet's jury theorem
• May's theorem
• Campbell-Kelly theorem
• Harsanyi's utilitarian theorem

Tournament sets

• Smith set
• Landau set
• Copeland set
• Split-cycle set
• Bipartisan set