What is the formal title of first past the post?
Plurality in single-member constituencies.
How many constituencies are there in the UK?
650
What is the average adult population of each constituency?
75,000
What is plurality?
When you only need more votes than anyone else to win an election, not an absolute majority.
How many MPs won an absolute majority in the 2015 general election?
316
What are the five main features of first past the post?
What is a safe seat?
A seat where the same party is virtually guaranteed to win every election.
What are the four implications of safe seats?
How many votes were estimated to be wasted votes in the 2015 general election?
22 million
What is a marginal seat?
A constituency where the outcome of an election is unpredictable and changes.
What do marginal seats encourage?
Tactical voting, when voters place their votes for their second choice to try and stop another party winning.
What are the arguments in favour of retaining first past the post?
What are the arguments against retaining first past the post?
What percentage of the vote did the Conservatives win in 2015, securing them a majority?
36.9%
What sort of system is the Additional Member System?
A hybrid system
What does AMS combine?
FPTP with proportional representation.
Where is AMS used?
Scotland, Wales, and the Greater London Assembly.
What is used to calculate the number of seats awarded via party lists in Scotland?
The D’Hondt method.
How does the D’Hondt method work?
Parties that do well under the first past the post part of the system in Scotland have their proportion of party list seats adjusted down, while parties that do not do well under FPTP have their party list seats adjusted upwards, making the outcome overall proportionally fairer.
What are the four advantages of AMS?
What are the two drawbacks to AMS?
Who do people vote for under regional list elections?
They vote for parties rather than individuals.
Where is Single Transferable Vote used in the UK?
Under STV, how many seats are there per constituency?
6