2001 Chatham Islands mayoral election

This was the first election held following the Local Electoral Act 2001. Patrick Smith won re-election, retaining the mayoralty.

2004 Chatham Islands mayoral election

This election was held using the single transferable vote (STV) system.^[15]

Once again, Patrick Smith won re-election.

2007 Chatham Islands mayoral election

The Chatham Islands retained the STV system used in the prior election.^[15] Patrick Smith won re-election.

2010 Chatham Islands mayoral election

For this election, the Chatham Islands Council abolished STV and adopted first-past-the-post voting.^[16]

On 31 January 2010, Patrick Smith resigned from the mayoralty, and was immediately succeeded as acting mayor by his deputy, Alfred Preece.^[1] Preece ran for the 2010 election and retained the mayoralty on 9 October, defeating challenger Joseph Tapara.^[17]

2013 Chatham Islands mayoral election

Tapara unsuccessfully tried to oust Preece a second time in October 2013, only to be defeated by an even wider margin.

2016 Chatham Islands mayoral election

Preece won re-election.

2019 Chatham Islands mayoral election

Alfred Preece did not run for the 2019 mayoral election, allowing Monique Croon to take the mayoralty.

2022 Chatham Islands mayoral election

Croon successfully ran for re-election. Although the election was officially non-partisan,^[22] it was analysed within the wider context of polarised public opinion regarding the Sixth Labour Government's Three Waters reform programme. Croon was one of three elected mayors to strongly support Three Waters (in contrast, 6 mayors gave it soft support, 14 were on the fence, 30 gave it soft opposition and 13 gave it strong opposition).^[23] After her election victory, Croon gave an interview on Te Ao Māori News.^[24]