UK Prime Minister List: The Prime Minister of the United Kingdom serves as the head of the British Cabinet and the government under the monarchy. This role involves leading the government with the support of the cabinet and ministers, making decisions, and being accountable for all policies. The Prime Minister also has the responsibility of appointing government members and overseeing the operations of civil services and government agencies.
The UK government comprises a total of 120 ministers, which includes the Prime Minister, 22 cabinet ministers, and 97 other ministers within the House of Commons. In addition, there are 23 ministerial departments and more than 300 agencies and public bodies operating within the UK.
UK Prime Minister List from 1721 to 2025
Robert Walpole holds the distinction of being the first Prime Minister of the UK and is also recognized as the longest-serving Prime Minister. As of now, Boris Johnson is the current Prime Minister of Great Britain. Below is the table listing the UK Prime Ministers from 1721 to 2025, including their respective terms in office and party affiliations.
| S.No | Prime Minister Name | Term of Office (Tenure) | Party |
| 1 | Robert Walpole | (1721–42) | Whig |
| 2 | Spencer Compton | (1742–43) | Whig |
| 3 | Henry Pelham | (1743–54) | Whig |
| 4 | Thomas Pelham-Holles | (1754–56; 1st time) | Whig |
| 5 | William Cavendish | (1756–57) | Whig |
| 6 | Thomas Pelham-Holles | (1757–62) | Whig |
| 7 | John Stuart | (1762–63) | Tory |
| 8 | George Grenville | (1763–65) | Whig |
| 9 | Charles Watson Wentworth | (1765–66; 1st time) | Whig |
| 10 | William Pitt, the Elder | (1766–68) | Whig |
| 11 | Augustus Henry Fitzroy | (1768–70) | Whig |
| 12 | Frederick North | (1770–82) | Tory |
| 13 | Charles Watson Wentworth | (1782; 2nd time) | Whig |
| 14 | William Petty-Fitzmaurice | (1782–83) | Whig |
| 15 | William Henry Cavendish-Bentinck | (1783; 1st time) | Whig |
| 16 | William Pitt, the Younger | (1783–1801; 1st time) | Tory |
| 17 | Henry Addington | (1801–04) | Tory |
| 18 | William Pitt, the Younger | (1804–06; 2nd time) | Tory |
| 19 | William Wyndham Grenville | (1806–07) | Whig |
| 20 | William Henry Cavendish-Bentinck | (1807–09; 2nd time) | Tory |
| 21 | Spencer Perceval | (1809–12) | Tory |
| 22 | Robert Banks Jenkinson | (1812–27) | Tory |
| 23 | George Canning | (1827) | Tory |
| 24 | Frederick John Robinson | (1827–28) | Tory |
| 25 | Arthur Wellesley | (1828–30; 1st time) | Tory |
| 26 | Charles Grey | (1830–34) | Whig |
| 27 | William Lamb | (1834; 1st time) | Whig |
| 28 | Arthur Wellesley | (1834; 2nd time) | Tory |
| 29 | Robert Peel | (1834–35; 1st time) | Conservative |
| 30 | William Lamb | (1835–41; 2nd time) | Whig |
| 31 | Robert Peel | (1841–46; 2nd time) | Conservative |
| 32 | John Russell | (1846–52; 1st time) | Whig |
| 33 | Edward Geoffrey Stanley | (1852; 1st time) | Conservative |
| 34 | George Hamilton-Gordon | (1852–55) | Peelite |
| 35 | Henry John Temple | (1855–58; 1st time) | Whig |
| 36 | Edward Geoffrey Stanley | (1858–59; 2nd time) | Conservative |
| 37 | Henry John Temple | (1859–65; 2nd time) | Liberal |
| 38 | John Russell | (1865–66; 2nd time) | Liberal |
| 39 | Edward Geoffrey Stanley | (1866–68; 3rd time) | Conservative |
| 40 | Benjamin Disraeli | (1868; 1st time) | Conservative |
| 41 | William Ewart Gladstone | (1868–74; 1st time) | Conservative |
| 42 | Benjamin Disraeli | (1874–80; 2nd time) | Conservative |
| 43 | William Ewart Gladstone | (1880–85; 2nd time) | Liberal |
| 44 | Robert Gascoyne Cecil | (1885–86; 1st time) | Conservative |
| 45 | William Ewart Gladstone | (1886; 3rd time) | Liberal |
| 46 | Robert Gascoyne Cecil | (1886–92; 2nd time) | Conservative |
| 47 | William Ewart Gladstone | (1892–94; 4th time) | Liberal |
| 48 | Archibald Philip Primrose | (1894–95) | Liberal |
| 49 | Robert Gascoyne Cecil | (1895–1902; 3rd time) | Conservative |
| 50 | Arthur James Balfour | (1902–05) | Conservative |
| 51 | Henry Campbell-Bannerman | (1905–08) | Liberal |
| 52 | H.H. Asquith | (1908–16) | Liberal |
| 53 | David Lloyd George | (1916–22) | Liberal |
| 54 | Bonar Law | (1922–23) | Conservative |
| 55 | Stanley Baldwin | (1923–24; 1st time) | Conservative |
| 56 | Ramsay Macdonald | (1924; 1st time) | Labour |
| 57 | Stanley Baldwin | (1924–29; 2nd time) | Conservative |
| 58 | Ramsay Macdonald | (1929–35; 2nd time) | National Labour |
| 59 | Stanley Baldwin | (1935–37; 3rd time) | Conservative |
| 60 | Neville Chamberlain | (1937–40) | Conservative |
| 61 | Winston Churchill | (1940–45; 1st time) | Conservative |
| 62 | Clement Attlee | (1945–51) | Labour |
| 63 | Winston Churchill | (1951–55; 2nd time) | Conservative |
| 64 | Anthony Eden | (1955–57) | Conservative |
| 65 | Harold Macmillan | (1957–63) | Conservative |
| 66 | Alec Douglas-Home | (1963–64) | Conservative |
| 67 | Harold Wilson | (1964–70; 1st time) | Labour |
| 68 | Edward Heath | (1970–74) | Conservative |
| 69 | Harold Wilson | (1974–76; 2nd time) | Labour |
| 70 | James Callaghan | (1976–79) | Labour |
| 71 | Margaret Thatcher | (1979–90) | Conservative |
| 72 | John Major | (1990–97) | Conservative |
| 73 | Tony Blair | (1997–2007) | Labour |
| 74 | Gordon Brown | (2007–10) | Labour |
| 75 | David Cameron | (2010–16) | Conservative |
| 76 | Theresa May | (2016–19) | Conservative |
| 77 | Boris Johnson | (2019– Incumbent) | Conservative |
Download UK Prime Minister List PDF
You can download a chronological list of Prime Ministers along with additional information regarding changes in the Prime Minister between elections through the link provided below.
For more information, please visit the official website: www.gov.uk
Who was the First and Longest-serving UK Prime Minister?
Who was the UK Prime Minister during World War II?
Who was the first female UK Prime Minister?
Who is the Current UK Prime Minister in 2025?
Also Check the US Presidents List
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