Age at Total Date of Start date beginning End date time Date of SNo Prime Minister Lifespan birth of (first) term of (first) of (final) term in death term office 25,040 26 August 44 years, 7,618 18 March days 1 4 April 1721 11 February 1742 1676 221 days days 1745 (68 years, 204 days) 25,672 18 March 68 years, 501 2 July days 2 Spencer Compton 16 February 1742 2 July 1743 1673 335 days days 1743 (70 years, 106 days) 21,711 25 48 years, 3,844 6 March days 3 Henry Pelham September 27 August 1743 6 March 1754 336 days days 1754 (59 years, 1694 162 days) 27,512 17 Thomas Pelham- 21 July 60 years, 2,765 days 4 16 March 1754 26 May 1762 November Holles 1693 238 days days (75 years, 1768 119 days) 16,218 William 36 years, 221 2 October days 5 8 May 1720 16 November 1756 25 June 1757 Cavendish 192 days days 1764 (44 years, 147 days) 28,779 25 May 49 years, 317 10 March days 6 John Stuart 26 May 1762 8 April 1763 1713 1 day days 1792 (78 years, 290 days) 21,214 13 14 October 50 years, 819 days 7 16 April 1763 13 July 1765 November 1712 184 days days (58 years, 1770 30 days) 19,042 Charles Watson- 13 May 35 years, 478 1 July days 8 13 July 1765 1 July 1782 Wentworth 1730 61 days days 1782 (52 years, 49 days) 25,379 15 William Pitt the 57 years, 807 11 May days 9 November 30 July 1766 14 October 1768 Elder 257 days days 1778 (69 years, 1708 177 days) 27,560 28 33 years, 471 14 March days 10 Augustus FitzRoy September 14 October 1768 28 January 1770 16 days days 1811 (75 years, 1735 167 days) 22,029 13 April 37 years, 4,436 5 August days 11 Frederick North 28 January 1770 22 March 1782 1732 290 days days 1792 (60 years, 114 days) 24,841 45 years, 272 7 May days 12 William Petty 2 May 1737 4 July 1782 2 April 1783 63 days days 1805 (68 years, 5 days) 26,131 William 30 14 April 44 years, 1,179 days 13 Cavendish- 2 April 1783 4 October 1809 October 1738 353 days days (71 years, Bentinck 1809 199 days) 17,041 23 William Pitt the 28 May 24 years, 6,917 days 14 19 December 1783 23 January 1806 January Younger 1759 205 days days (46 years, 1806 240 days) 31,671 15 30 May 43 years, 1,150 days 15 17 March 1801 10 May 1804 February 1757 291 days days (86 years, 1844 261 days) 27,107 12 25 October 46 years, 413 days 16 William Grenville 11 February 1806 31 March 1807 January 1759 109 days days (74 years, 1834 79 days) 18,088 1 46 years, 950 11 May days 17 November 4 October 1809 11 May 1812 337 days days 1812 (49 years, 1762 192 days) 21,364 4 42 years, 5,418 days 18 Robert Jenkinson 7 June 1770 8 June 1812 9 April 1827 December 1 day days (58 years, 1828 180 days) 20,937 11 April 56 years, 120 8 August days 19 10 April 1827 8 August 1827 1770 364 days days 1827 (57 years, 119 days) 27,846 1 28 Frederick 44 years, 143 days 20 November 31 August 1827 21 January 1828 January Robinson 303 days days (76 years, 1782 1859 88 days) 30,451 14 58 years, 1,055 days 21 Arthur Wellesley 1 May 1769 22 January 1828 10 December 1834 September 266 days days (83 years, 1852 136 days) 29,710 13 March 66 years, 1,332 17 July days 22 Charles Grey 22 November 1830 16 July 1834 1764 254 days days 1845 (81 years, 126 days) 25,456 24 15 March 55 years, 2,447 days 23 William Lamb 16 July 1834 30 August 1841 November 1779 123 days days (69 years, 1848 254 days) 22,792 5 February 46 years, 1,883 2 July days 24 10 December 1834 29 June 1846 1788 308 days days 1850 (62 years, 147 days) 31,328 18 August 53 years, 2,306 28 May days 25 John Russell 30 June 1846 28 June 1866 1792 316 days days 1878 (85 years, 283 days) 25,775 23 Edward Smith- 29 March 52 years, 1,386 days 26 23 February 1852 27 February 1868 October Stanley 1799 331 days days (70 years, 1869 208 days) 28,079 14 George 28 January 68 years, 772 days 27 19 December 1852 30 January 1855 December Hamilton-Gordon 1784 326 days days (76 years, 1860 321 days) 29,582 18 20 October 70 years, 3,429 days 28 Henry Temple 6 February 1855 18 October 1865 October 1784 109 days days (80 years, 1865 363 days) 27,878 21 63 years, 2,530 19 April days 29 December 27 February 1868 21 April 1880 68 days days 1881 (76 years, 1804 119 days) 32,283 29 William Ewart 58 years, 4,508 19 May days 30 December 3 December 1868 2 March 1894 Gladstone 340 days days 1898 (88 years, 1809 141 days) 26,862 3 February 55 years, 5,000 22 August days 31 Robert Cecil 23 June 1885 11 July 1902 1830 140 days days 1903 (73 years, 200 days) 29,964 Archibald 46 years, 474 21 May days 32 7 May 1847 5 March 1894 22 June 1895 Primrose 302 days days 1929 (82 years, 14 days) 29,821 25 July 53 years, 1,243 19 March days 33 11 July 1902 5 December 1905 1848 351 days days 1930 (81 years, 237 days) 26,159 7 Henry Campbell- 69 years, 850 22 April days 34 September 5 December 1905 3 April 1908 Bannerman 89 days days 1908 (71 years, 1836 228 days) 27,548 12 15 55 years, 3,166 days 35 Herbert Asquith September 5 April 1908 5 December 1916 February 206 days days (75 years, 1852 1928 156 days) 30,018 David Lloyd 17 January 53 years, 2,145 26 March days 36 7 December 1916 22 October 1922 George 1863 325 days days 1945 (82 years, 68 days) 23,784 16 30 64 years, 211 days 37 September 23 October 1922 22 May 1923 October 37 days days (65 years, 1858 1923 44 days) 29,352 14 3 August 55 years, 2,633 days 38 23 May 1923 28 May 1937 December 1867 293 days days (80 years, 1947 133 days) 25,960 9 Ramsay 12 October 57 years, 2,480 days 39 22 January 1924 7 June 1935 November MacDonald 1866 102 days days (71 years, 1937 28 days) 26,168 9 Neville 18 March 68 years, 1,078 days 40 28 May 1937 10 May 1940 November Chamberlain 1869 71 days days (71 years, 1940 236 days) 32,927 30 24 Winston 65 years, 3,162 days 41 November 10 May 1940 7 April 1955 January Churchill 162 days days (90 years, 1874 1965 55 days) 30,958 3 January 62 years, 2,283 8 October days 42 26 July 1945 26 October 1951 1883 204 days days 1967 (84 years, 278 days) 29,070 14 12 June 57 years, 644 days 43 7 April 1955 10 January 1957 January 1897 299 days days (79 years, 1977 216 days) 33,924 29 Harold 10 February 62 years, 2,472 days 44 10 January 1957 18 October 1963 December Macmillan 1894 335 days days (92 years, 1986 322 days) 33,702 Alec Douglas- 60 years, 364 9 October days 45 2 July 1903 18 October 1963 16 October 1964 Home 108 days days 1995 (92 years, 99 days) 28,928 11 March 48 years, 2,835 24 May days 46 16 October 1964 5 April 1976 1916 219 days days 1995 (79 years, 74 days) 32,515 53 years, 1,354 17 July days 47 9 July 1916 19 June 1970 4 March 1974 345 days days 2005 (89 years, 8 days) 33,967 27 March 64 years, 1,124 26 March days 48 5 April 1976 4 May 1979 1912 9 days days 2005 (92 years, 364 days) 31,954 Margaret 13 October 53 years, 4,226 8 April days 49 4 May 1979 28 November 1990 Thatcher 1925 203 days days 2013 (87 years, 177 days) 25,888 29 March 47 years, 2,347 days 50 28 November 1990 2 May 1997 1943 244 days days (70 years, 320 days) 22,197 43 years, 3,708 days 51 6 May 1953 2 May 1997 27 June 2007 361 days days (60 years, 282 days) 23,003 20 February 56 years, 1,049 days 52 27 June 2007 11 May 2010 1951 127 days days (62 years, 357 days) 17,293 9 October 43 years, 1,373 days 53 11 May 2010 Incumbent 1966 214 days days (47 years, 126 days)

For other more formats kindly visit www.downloadexcelfiles.com

Original source : en.wikipedia.org/wiki/List_of_Prime_Ministers_of_the_United_Kingdom_by_longevity