Opinion polls across the UK have shown the gap between the Labour and Conservative parties have narrowed to a couple of percentage points, with the consensus being a 2-point lead by Labour over the Tories. Based on this, you would expect that the election will be close between the two parties with respect to the number of seats they are expected to win in the House of Commons.
When you extrapolate the polls to get a seat figure, however, Labour has a significant lead. The lead is very similar to that which the Conservatives actually won in the 2010 general election, despite a seven-point victory in the popular vote.
Conservative supporters say that the allocation of seats across the regions of the UK is biased towards Labour, whereas Labour supporters say that the Conservative vote is simply inefficient. So who's right? Let's take a look at the two theories.
