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NZ First MPs

8 members of the 54th Parliament — 8 list, 0 electorate.

Ranked caucus5

#1

Winston Peters

Rt Hon
List MPCabinet

First elected 1979 · returned 2023 · 13 terms

Minister of Foreign AffairsMinister for RacingMinister for Rail
#2

Shane Jones

List MPCabinet

First elected 2005 · returned 2023 · 5 terms

Minister for Oceans and FisheriesMinister for Regional DevelopmentMinister for ResourcesAssociate Minister of FinanceAssociate Minister for Energy
#3

Casey Costello

Hon
List MPCabinet

In Parliament since 2023 · 1 term

Minister of CustomsMinister for SeniorsAssociate Minister of HealthAssociate Minister of ImmigrationAssociate Minister of Police
#4

Mark Patterson

List MPMinister outside Cabinet

First elected 2017 · returned 2023 · 2 terms

Minister for Rural CommunitiesAssociate Minister of AgricultureAssociate Minister for Regional Development
#5

Jenny Marcroft

List MPParliamentary Under-Secretary

First elected 2017 · returned 2023 · 2 terms

Parliamentary Under-Secretary to the Minister for Media and CommunicationsParliamentary Under-Secretary to the Minister for Oceans and Fisheries

Backbench3

Jamie Arbuckle

List MPBackbench

In Parliament since 2023 · 1 term

Andy Foster

List MPBackbench

In Parliament since 2023 · 1 term

David Wilson

Dr
List MPBackbench

In Parliament since 2025 · 1 term

What these roles mean

Parliament’s job titles are used constantly and explained rarely. Here is what each of the roles badged on this page actually involves.

Speaker of the House
Chairs debates in the House, rules on procedure and keeps order. Elected by MPs, not appointed by the Prime Minister, and expected to act impartially rather than for their party.
Deputy and Assistant Speakers
Take the chair when the Speaker is not presiding, and share the same duty of impartiality. They come from both government and opposition parties.
Leader of the House
A government minister who manages Parliament's business - which bills are debated, in what order, and how the sitting calendar is arranged. The opposition's counterpart is the Shadow Leader of the House.
Cabinet Minister
Runs one or more portfolios and sits in Cabinet, the senior decision-making group of ministers. Cabinet ministers are bound to publicly support collective decisions.
Minister outside Cabinet
Holds a ministerial warrant and runs portfolios, but does not sit in Cabinet. Common for ministers from smaller parties in a coalition.
Associate Minister
Supports the lead minister in a portfolio, usually handling a defined slice of it delegated to them.
Parliamentary Under-Secretary
Assists a minister with a portfolio but is not a minister and does not sit in the Executive Council. The most junior role on the ministerial ladder.
Spokesperson
An opposition MP assigned to follow a portfolio, question the responsible minister and lead their party's response on it. The opposition equivalent of a minister.
Whip (or Musterer)
Manages a party's MPs in the House - attendance, speaking slots and votes. The Greens call theirs the Musterer; Te Pāti Māori, the Matarau.
Backbench MP
An MP without a ministerial or spokesperson role. They still vote, sit on select committees, represent constituents and can introduce members' bills.
List MP vs Electorate MP
Electorate MPs are elected by voters in a geographic seat. List MPs enter through their party's ranked list, in proportion to its share of the party vote. Both have identical powers in the House.

Ordered by caucus rank where the party publishes one. MPs without a published ranking follow, alphabetically by surname. Portfolios for government MPs come from the official Ministerial List; opposition portfolios from each party’s published allocation. Each MP’s sources are listed under “More”.