It was appointed on 4 November 2020 to replace the Second Barr Ministry, following the 2020 general election held two weeks earlier.

However, they also requested that Barr create seats in the upcoming ministry and appoint additional Greens ministers.

[1] On 24 October 2020, after final votes were counted, it was announced that Attorney-General Gordon Ramsay lost his seat in Ginninderra.

[3] This arrangement was appointed on 11 December 2023 to better align minister for the 2024 general election.

Tara Cheyne, Rebecca Vassarotti and Emma Davidson were newly appointed to the ministry, replacing Gordon Ramsay and Suzanne Orr.