The 1957 general election was held on Saturday, 30 November.

[2] 1,252,329 voters were enrolled and the official turnout at the election was 92.9%.

[3] The National Party under Sidney Holland had been in power since the 1949 election as the first National Government, and Holland remained in charge until he stepped down due to ill health in September 1957 some two months prior to the 1957 election.

Holland was succeeded by Keith Holyoake, but the Labour Party narrowly defeated National at the 1957 election, and the government changed in mid-December of that year.

[4] The table below shows the number of MPs in each party following the 1957 election and at dissolution: Notes The table below shows the results of the 1957 general election: Key Labour National Table footnotes: There was one by-election during the term of the 32nd Parliament.