MMP Minor parties' electorate seats:

Green NZ First ACT Maori Progressive United Threshold: % Threshold exemption for parties with electorate seats:

First Past The Post Requires 120 electorates, each with one MP.

Preferential Voting Requires 120 electorates, each with one MP. Requires assumptions about voter preferences.

Single Transferable Vote Requires 24-30 electorates of various sizes, represented by 3-7 MPs per electorate. Requires assumptions about voter preferences.