EveryElectionResult.com

Election results, country by country.

Epsom — New Zealand Election Results

Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30

Epsom was won by ACT Party at the 2023 general election, with a margin of 8,142 votes over National Party in the electorate vote. This page covers every general election in Epsom from 1996 to 2023.

New Zealand uses Mixed-Member Proportional (MMP) voting: every voter casts two votes each election. The electorate vote below elects this seat's local MP by simple plurality (the same "winner by margin" model this site uses everywhere) — it does not by itself determine how many seats a party holds in Parliament. The separate party vote, shown further down, is what decides each party's overall share of Parliament, and often goes to a different party than the local electorate vote does.

Electorate Vote — Full History, 1996–2023

Election Winner Party Votes Vote Share Runner-up Margin
1996 National Party National Party 25,217 69.9% Labour Party (4,575) 20,642 (57.3 pts)
1999 National Party National Party 12,361 36.8% ACT Party (10,453) 1,908 (5.7 pts)
2002 National Party National Party 13,563 42.7% Labour Party (7,944) 5,619 (17.7 pts)
2005 ACT Party ACT Party 15,251 42.6% National Party (12,149) 3,102 (8.7 pts)
2008 ACT Party ACT Party 21,102 56.1% National Party (8,220) 12,882 (34.2 pts)
2011 ACT Party ACT Party 15,835 44.1% National Party (13,574) 2,261 (6.3 pts)
2014 ACT Party ACT Party 15,966 43.4% National Party (11,716) 4,250 (11.6 pts)
2017 ACT Party ACT Party 16,505 43.2% National Party (10,986) 5,519 (14.4 pts)
2020 ACT Party ACT Party 19,500 47.5% Labour Party (10,276) 9,224 (22.5 pts)
2023 ACT Party ACT Party 17,826 44.8% National Party (9,684) 8,142 (20.5 pts)

Party Vote in Epsom

The party vote is cast on the same ballot but decides Parliament's overall makeup, not this seat's MP. Shown here for the same years as the electorate vote above, so the two can be compared directly.

ElectionParty Vote WinnerVotesShareSame as electorate vote?
1996 National Party 14,870 41.1% Yes
1999 National Party 14,626 43.2% Yes
2002 National Party 9,499 29.2% Yes
2005 National Party 21,310 58.5% No -- split result
2008 National Party 24,030 62.6% No -- split result
2011 National Party 23,725 64.5% No -- split result
2014 National Party 23,904 63.6% No -- split result
2017 National Party 22,875 58.6% No -- split result
2020 National Party 15,668 37.5% No -- split result
2023 National Party 20,948 51.7% No -- split result

Full Result Breakdown by Election

1996

PartyVotesShare
National Party25,21769.9%
Labour Party4,57512.7%
Alliance1,7875.0%
NZ First1,3423.7%
Other1,3423.7%
ACT Party1,1343.1%
Christian Coalition5771.6%
United Future780.2%

1999

PartyVotesShare
National Party12,36136.8%
ACT Party10,45331.1%
Labour Party6,81520.3%
Green Party1,6014.8%
Other1,0523.1%
Alliance8952.7%
NZ First3841.1%

2002

PartyVotesShare
National Party13,56342.7%
Labour Party7,94425.0%
ACT Party7,05922.2%
Green Party1,8315.8%
United Future7312.3%
Other6462.0%

2005

PartyVotesShare
ACT Party15,25142.6%
National Party12,14933.9%
Labour Party6,13817.2%
Green Party1,5134.2%
United Future3401.0%
Other2450.7%
Jim Anderton's Progressive1490.4%

2008

PartyVotesShare
ACT Party21,10256.1%
National Party8,22021.8%
Labour Party5,11213.6%
Green Party2,7877.4%
Other2610.7%
United Future1630.4%

2011

PartyVotesShare
ACT Party15,83544.1%
National Party13,57437.8%
Labour Party3,75110.4%
Green Party2,1606.0%
Other5251.5%
MANA660.2%

2014

PartyVotesShare
ACT Party15,96643.4%
National Party11,71631.9%
Labour Party3,4709.4%
Green Party3,0218.2%
Other1,9795.4%
NZ First6211.7%

2017

PartyVotesShare
ACT Party16,50543.2%
National Party10,98628.7%
Labour Party7,06718.5%
Green Party2,7857.3%
NZ First6571.7%
Other2300.6%

2020

PartyVotesShare
ACT Party19,50047.5%
Labour Party10,27625.0%
National Party6,39715.6%
Green Party3,1017.6%
Other1,7504.3%

2023

PartyVotesShare
ACT Party17,82644.8%
National Party9,68424.3%
Labour Party6,18915.6%
Green Party3,5378.9%
Other1,9674.9%
NZ First5731.4%

Margin Over Time

Electorate-vote winning margin (percentage points) at each election, coloured by the winning party.

1996: National Party margin 57.3 pts 1999: National Party margin 5.7 pts 2002: National Party margin 17.7 pts 2005: ACT Party margin 8.7 pts 2008: ACT Party margin 34.2 pts 2011: ACT Party margin 6.3 pts 2014: ACT Party margin 11.6 pts 2017: ACT Party margin 14.4 pts 2020: ACT Party margin 22.5 pts 2023: ACT Party margin 20.5 pts 1996 1999 2002 2005 2008 2011 2014 2017 2020 2023

Trend

Epsom has been contested at 10 general elections on record since 1996. Winning parties of the electorate vote over that span: National Party, ACT Party.

Frequently Asked Questions

Who won Epsom in the 2023 general election?

ACT Party won the Epsom electorate vote in 2023 with 17,826 votes (44.8%), a margin of 8,142 votes over National Party in second place.

Did the electorate vote and party vote agree in Epsom in 2023?

No -- ACT Party won the electorate vote in Epsom in 2023, but National Party won the separate party vote there.

Which parties have won the Epsom electorate seat since 1996?

Since 1996, Epsom has been won by: ACT Party, National Party.

Related Pages