The biggest losers are UKIP, who came 3rd by vote share, which equates to 83 seats. The current system gives them just 1
The Conservatives benefit most from the system; by vote share they would secure 241 seats (37% of the house of commons), which is 90 less than their real allocation
The SNP take 56 seats, despite receiving 1 million fewer votes than the Lib Dems (8 seats) and 2.4 million fewer than UKIP (1 seat)
All constituencies are equal, but some are more equal than others
The five closest constituencies
Constituency
Winner
Runner Up
Margin
Gower
Conservative
Labour
27
Derby North
Conservative
Labour
41
Chester, City of
Labour
Conservative
93
Croydon Central
Conservative
Labour
165
Ynys Mon
Labour
Plaid Cymru
229
As few as 638 people could have voted differently to prevent a Conservative majority
The 94 seats Labour needed for a majority could have been secured by 206,824 people voting differently, which is just 0.67% of the votes cast