Interactive Overview of Combinations of Electoral Systems & Quota Types

List Proportional Representation with small districts (List PR) List Proportional Representation with large districts (List PR) First Past The Post (FPTP) Two-Round Systems (TRS) Parallel Systems Mixed Member Proportional (MMP) Block Vote (BV), Limited Vote (LV) and Single Non-Transferable Vote (SNTV) Party Block Vote (PBV) Alternative Vote (AV) Single Transferable Vote (STV) Borda Count (BC)

No Quota Reserved seats: certain districts for women candidates only Reserved seats: a tier for women candidates only Reserved seats: best loser system Nomination: percentage regulations without placement mandate/rank-order rules Nominations: percentage regulations with placement mandate/rank-order rules (top-ranking, zipper quotas)