List of Prime Ministers of New Zealand by age Overview Overview

| _ | Prime_Minister | Date_of_birth | Start_date_of_first_term | Age_at_beginning_of_first_term | End_date_of_final_term | Total_time_in_office | Date_of_death | Lifespan |
|---|---|---|---|---|---|---|---|---|
| 1 | Sewell, Henry Henry Sewell | 1807-09-07 7 September 1807 | 7May1856 | 48-243 48years, 243days | 20May1856 | 00,013 days | 1879-05-14 14 May 1879 | days (71years, 249days) |
| 2 | Fox, William William Fox | 1812-00-00 1812 | 20May1856 | 44-000 ~44 years | 8April1873 | 01,609 days | 1893-06-23 23 June 1893 | ~81 years |
| 3 | Stafford, Edward Edward Stafford | 1819-04-23 23 April 1819 | 2June1856 | 37-040 37years, 40days | 11October1872 | 03,248 days | 1901-02-14 14 February 1901 | days (81years, 297days) |
| 4 | Domett, Alfred Alfred Domett | 1811-05-20 20 May 1811 | 6August1862 | 51-078 51years, 78days | 30October1863 | 00,450 days | 1887-11-02 2 November 1887 | days (76years, 166days) |