🇳🇿 New Zealand

Legislative power rests with a single chamber, the House of Representatives, which normally has 120 members elected for three-year terms; there is no upper house (the appointed Legislative Council was abolished in 1951). Each voter casts two votes: a party vote, which determines each party's overall share of seats and is therefore the decisive figure, and an electorate vote for a local MP elected by first-past-the-post. Around 72 members are elected from single-member electorates — including 7 Māori electorates, reserved seats that voters of Māori descent may choose to enrol for — and the remainder from closed party lists that top each party up to its proportional entitlement. To win list seats a party must clear a threshold of 5% of the nationwide party vote or win at least one electorate; parties that win more electorates than their party vote warrants create "overhang" seats, which is why Parliament occasionally exceeds 120 members.

Figures from official electoral authorities — see Data & Methodology. Last updated 2026-11-02.