List of Prime Ministers of New Zealand by term

The following is a list of Prime Ministers of New Zealand ranked by their total term in office (multiple terms are added together to give the total term in office).

	Rank	Name	Party	Term(s)
	1	Richard Seddon †	Liberal
	2	William Massey †	Reform
	3	Keith Holyoake	National	11 years, 140 days
	4	Peter Fraser	Labour
	5	Helen Clark	Labour
	6	Edward Stafford	None	8 years, 326 days
	7	Robert Muldoon	National
	8	Sidney Holland	National
	9	John Key (incumbent)	National
	10	Joseph Ward	Liberal	7 years, 38 days
			United
	11	Jim Bolger	National
	12	George Forbes	United
	13	Harry Atkinson	None	5 years, 116 days
	14	David Lange	Labour
	15	William Fox	None	4 years, 148 days
	16	Michael Joseph Savage †	Labour
	17	Gordon Coates	Reform
	18	Robert Stout	None	3 years, 47 days
	19	Walter Nash	Labour
	20	Julius Vogel	None	2 years, 288 days
	21	John Hall	None
	22	Frederick Whitaker	None	2 years, 182 days
	23	John Ballance †	Liberal
	24	Jenny Shipley	National
	25	George Grey	None
	26	Norman Kirk †	Labour
	27	Bill Rowling	Labour
	28	Alfred Domett	None
	29	Geoffrey Palmer	Labour
	30	Frederick Weld	None	days
	31	Jack Marshall	National	days
	32	Daniel Pollen	None	days
	33	George Waterhouse	None	days
	34	Thomas Mackenzie	Liberal	days
	35	Mike Moore	Labour	days
	36	William Hall-Jones	Liberal	days
	37	Francis Bell	Reform	days
	38	Henry Sewell	None	days

† - Died in office.

Note: Some lists consider Hugh Watt as a New Zealand Prime Minister. Watt served as acting Prime Minister for seven days from 31 August to 6 September 1972 following the death of Norman Kirk. He is not normally counted in the official numbering of New Zealand Prime Ministers.

See also

• List of Prime Ministers of New Zealand by age
• List of Prime Ministers of New Zealand by place of birth
• List of Prime Ministers of Australia by time in office