Last updated by the House of Commons Information Office on 30 March 2012.
| Party |
Seats |
| Conservative |
305 |
| Labour |
253 |
| Liberal Democrat |
57 |
| Democratic Unionist |
8 |
| Scottish National |
6 |
| Sinn Fein |
5 |
| Plaid Cymru |
3 |
| Social Democratic & Labour |
3 |
| Alliance |
1 |
| Green |
1 |
| Respect |
1 |
| Independent |
3 |
| Speaker & 3 Deputies* |
4 |
| Total number of seats |
650 |
| Current working Government Majority** |
83 |
*Speaker: John Bercow. Deputy Speakers: Mr Lindsay Hoyle, Mr Nigel Evans and Dawn Primarolo
**305 Conservative and 57 Liberal Democrat MPs less 279 of all other parties - excludes Speaker, Deputy Speakers and Sinn Fein.
Seats won at the 2010 General Election
| Party |
Seats |
| Conservative |
306 |
| Labour |
258 |
| Liberal Democrat |
57 |
| Democratic Unionist |
8 |
| Scottish National |
6 |
| Sinn Fein |
5 |
| Plaid Cymru |
3 |
| Social Democratic & Labour |
3 |
| Alliance |
1 |
| Green |
1 |
| Independent |
1 |
| Speaker |
1 |
| Total number of seats |
650 |