Earlier today the Deputy Prime Minister, Nick Clegg, announced plans to cut the size of the House of Commons to 600 seats from the current 650 size. The Commons has often changed in size over the previous decades, but as this graph shows 600 would be the smallest number of MPs since the 1867 Reform Act and only the fourth time the Commons has been reduced in size. The cut however is smaller both in seat numbers and proportionate terms than that introduced after 1918:
