Judith Collins Nikki Kaye Gerry Brownlee An election for the parliamentary leadership of the New Zealand National Party by its caucus was held on 14 July 2020,[1] after incumbent Todd Muller resigned earlier that day citing health reasons.

[7] On the morning of 14 July 2020 Muller released a statement announcing his resignation as National Party leader, saying "the role has taken a heavy toll on me personally, and on my family, and this has become untenable from a health perspective.

[9] Newshub reported that Louise Upston had intended to contest the deputy position but withdrew after Collins won the first ballot.

[9] On 15 July, the day after the election, Collins stripped Michael Woodhouse of the health portfolio for his involvement in the leaks of COVID-19 patient data.

Kaye, who had been deputy leader under Todd Muller, said that the resignation was despite Collins offering her a senior leadership position.

As part of a number of changes, former leaders Simon Bridges and Todd Muller both received front bench roles, while Mark Mitchell lost his justice portfolio and was demoted 6 places in the party rankings.

Collins' position was reconfirmed in a post-election vote on the leadership, required under the party's constitution, while Brownlee stood aside as deputy leader and was replaced in that role by Shane Reti.