The 1975 general election was held on Saturday, 29 November.

[1] A total of 92 MPs were elected; 63 represented North Island electorates, 25 represented South Island electorates, and the remaining four represented Māori electorates; this was an increase in the number of MPs by five since the 1972 election, and the gain was all for the North Island.

[2] 1,953,050 voters were enrolled and the official turnout at the election was 82.5%.

Robert Muldoon formed the third National Government and led the Muldoon Ministry until National's defeat at the 1984 election.

[4] The table below shows the number of MPs in each party following the 1975 election and at dissolution: Notes The table below shows the results of the 1975 general election: Key National Labour Social Credit Table footnotes: There were a number of changes during the term of the 38th Parliament.