List of prime ministers of New Zealand

The prime minister of New Zealand is the country's head of government and the leader of the Cabinet, whose powers and responsibilities are defined by convention.

[3] After the introduction of mixed-member proportional voting in 1996, prime ministers have usually needed to negotiate agreements with smaller parties to maintain a majority in Parliament.

[6] Beginning with Sewell, 42 individuals have so far held the premiership,[7][8] not including Hugh Watt, who was acting prime minister following the death of Norman Kirk.

Richard Seddon, prime minister for thirteen years between 1893 and 1906, held the office for the longest term.

[10] Three prime ministers have been women, a count equalled by Finland, Lithuania, Poland and the United Kingdom, and only surpassed by Switzerland.