Parliament
|
Number of Seats
|
1707–1800
|
558
|
1801–1844
|
658
|
1844–1852
|
656
|
1852–1861
|
654
|
1861–1865
|
656
|
1865–1870
|
658
|
1870–1885
|
652
|
1885
|
648
|
1885–1918
|
670
|
1918–1922
|
707
|
1922–1945
|
615
|
1945–1950
|
640
|
1950–1955
|
625
|
1955–1974 (Feb)
|
630
|
1974–1983
|
635
|
1983–1992
|
650
|
1992–1997
|
651
|
1997–2005
|
659
|
2005–2010
|
646
|
2010–
|
650
|
The number of MPs has changed over the years as a result of the redistribution of seats and boundary changes to constituencies. The current number of seats, 650, resulted from the Fifth Periodical Review.
For more information on boundary reviews see the Library briefing, Constituency boundary reviews and the number of MPs
Parliament: facts and figures
This series of publications contains data on various subjects relating to Parliament and Government. Topics include legislation, MPs, select committees, debates, divisions and Parliamentary procedure.