List of Prime Ministers of the United Kingdom by age
List of prime ministers
ᵃ indicates the prime minister died in office

List of Prime Ministers of the United Kingdom by age

Section Title: List of prime ministers
Table Section Text: ᵃ indicates the prime minister died in office

Order of office	Prime Minister	Date of birth	Date of (first) appointment	Age at (first) appointment	End date of (final) term	Age at leaving office	Length of retirement	Date of death	Lifespan

1	Robert Walpole	26 August 1676	3 April 1721	44 years, 220 days	11 February 1742	65 years, 169 days	3 years, 35 days	18 March 1745	68 years, 204 days (25,040 days)

2	Earl of Wilmington	1673	16 February 1742	68–69 years	2 July 1743	N/A	N/A	2 July 1743a	69–70 years (25,577 days)

3	Henry Pelham	25 September 1694	27 August 1743	48 years, 336 days	6 March 1754	N/A	N/A	6 March 1754a	59 years, 162 days (21,711 days)

4	Duke of Newcastle	21 July 1693	16 March 1754	60 years, 238 days	26 May 1762	68 years, 309 days	6 years, 175 days	17 November 1768	75 years, 119 days (27,512 days)

5	Duke of Devonshire	8 May 1720	16 November 1756	36 years, 192 days	29 June 1757	37 years, 52 days	7 years, 95 days	2 October 1764	44 years, 147 days (16,218 days)

6	Earl of Bute	25 May 1713	26 May 1762	49 years, 1 day	8 April 1763	49 years, 318 days	28 years, 337 days	10 March 1792	78 years, 290 days (28,779 days)

7	George Grenville	14 October 1712	16 April 1763	50 years, 184 days	10 July 1765	52 years, 269 days	5 years, 126 days	13 November 1770	58 years, 30 days (21,214 days)

8	Marquess of Rockingham	13 May 1730	13 July 1765	35 years, 61 days	1 July 1782	N/A	N/A	1 July 1782a	52 years, 49 days (19,042 days)

9	William Pitt the Elder	15 November 1708	30 July 1766	57 years, 257 days	14 October 1768	59 years, 334 days	9 years, 209 days	11 May 1778	69 years, 177 days (25,379 days)

10	Duke of Grafton	28 September 1735	14 October 1768	33 years, 16 days	28 January 1770	34 years, 122 days	41 years, 45 days	14 March 1811	75 years, 167 days (27,560 days)

11	Lord North	13 April 1732	28 January 1770	37 years, 290 days	27 March 1782	49 years, 348 days	10 years, 131 days	5 August 1792	60 years, 114 days (22,029 days)

12	Earl of Shelburne	2 May 1737	4 July 1782	45 years, 63 days	26 March 1783	45 years, 328 days	22 years, 42 days	7 May 1805	68 years, 5 days (24,841 days)

13	Duke of Portland	14 April 1738	2 April 1783	44 years, 353 days	4 October 1809	71 years, 173 days	26 days	30 October 1809	71 years, 199 days (26,131 days)

14	William Pitt the Younger	28 May 1759	19 December 1783	24 years, 205 days	23 January 1806	N/A	N/A	23 January 1806a	46 years, 240 days (17,041 days)

15	Henry Addington	30 May 1757	17 March 1801	43 years, 291 days	10 May 1804	46 years, 346 days	39 years, 281 days	15 February 1844	86 years, 261 days (31,671 days)

16	William Grenville	25 October 1759	11 February 1806	46 years, 109 days	25 March 1807	47 years, 151 days	26 years, 293 days	12 January 1834	74 years, 79 days (27,107 days)

17	Spencer Perceval	1 November 1762	4 October 1809	46 years, 337 days	11 May 1812	N/A	N/A	11 May 1812a	49 years, 192 days (18,078 days)

18	Earl of Liverpool	7 June 1770	8 June 1812	42 years, 1 day	9 April 1827	56 years, 306 days	1 year, 239 days	4 December 1828	58 years, 180 days (21,364 days)

19	George Canning	11 April 1770	12 April 1827	57 years, 1 day	8 August 1827	N/A	N/A	8 August 1827a	57 years, 119 days (20,937 days)

20	Viscount Goderich	1 November 1782	31 August 1827	44 years, 303 days	8 January 1828	45 years, 68 days	31 years, 20 days	28 January 1859	76 years, 88 days (27,846 days)

21	Duke of Wellington	1 May 1769	22 January 1828	58 years, 266 days	9 December 1834	65 years, 222 days	17 years, 280 days	14 September 1852	83 years, 136 days (30,451 days)

22	Earl Grey	13 March 1764	22 November 1830	66 years, 254 days	9 July 1834	70 years, 118 days	11 years, 8 days	17 July 1845	81 years, 126 days (29,710 days)

23	Viscount Melbourne	15 March 1779	16 July 1834	55 years, 123 days	30 August 1841	62 years, 168 days	7 years, 86 days	24 November 1848	69 years, 254 days (25,456 days)

24	Robert Peel	5 February 1788	10 December 1834	46 years, 308 days	29 June 1846	58 years, 144 days	4 years, 3 days	2 July 1850	62 years, 147 days (22,792 days)

25	Lord John Russell	18 August 1792	30 June 1846	53 years, 316 days	26 June 1866	73 years, 312 days	11 years, 336 days	28 May 1878	85 years, 283 days (31,328 days)

26	Earl of Derby	29 March 1799	23 February 1852	52 years, 331 days	25 February 1868	68 years, 333 days	1 year, 240 days	23 October 1869	70 years, 208 days (25,775 days)

27	Earl of Aberdeen	28 January 1784	19 December 1852	68 years, 326 days	30 January 1855	71 years, 2 days	5 years, 319 days	14 December 1860	76 years, 321 days (28,079 days)

28	Viscount Palmerston	20 October 1784	6 February 1855	70 years, 109 days	18 October 1865	N/A	N/A	18 October 1865a	80 years, 363 days (29,582 days)

29	Benjamin Disraeli	21 December 1804	27 February 1868	63 years, 68 days	21 April 1880	75 years, 122 days	363 days	19 April 1881	76 years, 119 days (27,878 days)

30	William Ewart Gladstone	29 December 1809	3 December 1868	58 years, 340 days	2 March 1894	84 years, 63 days	4 years, 78 days	19 May 1898	88 years, 141 days (32,283 days)

31	Marquess of Salisbury	3 February 1830	23 June 1885	55 years, 140 days	11 July 1902	72 years, 158 days	1 year, 42 days	22 August 1903	73 years, 200 days (26,862 days)

32	Earl of Rosebery	7 May 1847	5 March 1894	46 years, 302 days	22 June 1895	48 years, 46 days	33 years, 333 days	21 May 1929	82 years, 14 days (29,964 days)

33	Arthur Balfour	25 July 1848	12 July 1902	53 years, 352 days	4 December 1905	57 years, 132 days	24 years, 105 days	19 March 1930	81 years, 237 days (34,204 days)

34	Henry Campbell-Bannerman	7 September 1836	5 December 1905	69 years, 89 days	5 April 1908	71 years, 211 days	17 days	22 April 1908	71 years, 228 days (26,159 days)

35	H. H. Asquith	12 September 1852	5 April 1908	55 years, 206 days	5 December 1916	64 years, 84 days	11 years, 72 days	15 February 1928	75 years, 156 days (27,548 days)

36	David Lloyd George	17 January 1863	6 December 1916	53 years, 324 days	22 October 1922	59 years, 278 days	22 years, 155 days	26 March 1945	82 years, 68 days (30,018 days)

37	Bonar Law	16 September 1858	23 October 1922	64 years, 37 days	20 May 1923	64 years, 246 days	163 days	30 October 1923	65 years, 44 days (23,784 days)

38	Stanley Baldwin	3 August 1867	22 May 1923	55 years, 292 days	28 May 1937	69 years, 298 days	10 years, 200 days	14 December 1947	80 years, 133 days (29,352 days)

39	Ramsay MacDonald	12 October 1866	22 January 1924	57 years, 102 days	7 June 1935	68 years, 238 days	2 years, 155 days	9 November 1937	71 years, 28 days (25,960 days)

40	Neville Chamberlain	18 March 1869	28 May 1937	68 years, 71 days	10 May 1940	71 years, 53 days	183 days	9 November 1940	71 years, 236 days (26,168 days)

41	Winston Churchill	30 November 1874	10 May 1940	65 years, 162 days	5 April 1955	80 years, 126 days	9 years, 294 days	24 January 1965	90 years, 55 days (32,927 days)

42	Clement Attlee	3 January 1883	26 July 1945	62 years, 204 days	26 October 1951	68 years, 296 days	15 years, 347 days	8 October 1967	84 years, 278 days (30,958 days)

43	Anthony Eden	12 June 1897	6 April 1955	57 years, 298 days	9 January 1957	59 years, 211 days	20 years, 5 days	14 January 1977	79 years, 216 days (29,070 days)

44	Harold Macmillan	10 February 1894	10 January 1957	62 years, 335 days	18 October 1963	69 years, 250 days	23 years, 72 days	29 December 1986	92 years, 322 days (33,924 days)

45	Alec Douglas-Home	2 July 1903	19 October 1963	60 years, 109 days	16 October 1964	61 years, 106 days	30 years, 358 days	9 October 1995	92 years, 99 days (33,702 days)

46	Harold Wilson	11 March 1916	16 October 1964	48 years, 219 days	5 April 1976	60 years, 25 days	19 years, 49 days	24 May 1995	79 years, 74 days (28,928 days)

47	Edward Heath	9 July 1916	19 June 1970	53 years, 345 days	4 March 1974	57 years, 238 days	31 years, 135 days	17 July 2005	89 years, 8 days (32,515 days)

48	James Callaghan	27 March 1912	5 April 1976	64 years, 9 days	4 May 1979	67 years, 38 days	25 years, 326 days	26 March 2005	92 years, 364 days (33,967 days)

49	Margaret Thatcher	13 October 1925	4 May 1979	53 years, 203 days	28 November 1990	65 years, 46 days	22 years, 131 days	8 April 2013	87 years, 177 days (31,954 days)

50	John Major	29 March 1943	28 November 1990	47 years, 244 days	2 May 1997	54 years, 34 days	21 years, 317 days	75 years, 351 days (27,745 days)

51	Tony Blair	6 May 1953	2 May 1997	43 years, 361 days	27 June 2007	54 years, 52 days	11 years, 261 days	65 years, 313 days (24,054 days)

52	Gordon Brown	20 February 1951	27 June 2007	56 years, 127 days	11 May 2010	59 years, 80 days	8 years, 308 days	68 years, 23 days (24,860 days)

53	David Cameron	9 October 1966	11 May 2010	43 years, 214 days	13 July 2016	49 years, 278 days	2 years, 245 days	52 years, 157 days (19,150 days)

54	Theresa May	1 October 1956	13 July 2016	59 years, 286 days	Incumbent	Incumbent	Incumbent	62 years, 165 days (22,810 days)

Order of office	Prime Minister	Date of birth	Date of (first) appointment	Age at (first) appointment	End date of (final) term	Age at leaving office	Length of retirement	Date of death	Lifespan

Sentence(s)

Grafton had the longest post-premiership of any prime minister in British history, totalling 41 years and 45 days.

final_sentence: Grafton had the longest post-premiership of any prime minister in British history, totalling 41 years and 45 days.