List of Prime Ministers of New Zealand by time in office

This article lists each Prime Minister of New Zealand in order of term length. This is based on the difference between dates; if counted by number of calendar days all the figures would be one greater. Of the 14 Prime Ministers, only five have served more than 50 days while five have served less than 30 days.

AlexanderPWindsor and firewolf4052 are the only Prime Ministers to have served as Prime Minister for a whole term. LouisHeseltine served for less than 11 days before his departure from roblox.