The following is a list of the Prime Minsters of the United Kingdom of Great Britain and Ireland since 1974.
Labour
Conservative
Liberal
| № | Portrait | Name | Term of office | |
|---|---|---|---|---|
| 48 | 
|
James Callaghan | March 4, 1974 | May 5, 1978 |
| 49 | 
|
Margaret Thatcher | May 5, 1978 | April 13, 1990 |
| 50 | 
|
Paddy Ashdown | April 13, 1990 | June 10, 2000 |
| 51 | 
|
Tony Blair | June 10, 2000 | May 7, 2010 |
| 52 | 
|
David Cameron | May 7, 2010 | July 13, 2016 |
| 53 | 
|
Theresa May | July 13, 2016 | Incumbent |