WJEC A-Level Government and Politics 603-1979-3
The British Constitution
The Judiciary and the Supreme Court
The UK Executive
Parliament and the Accountability of Government
Government and the Senedd in Wales
Devolution and the United Kingdom
Citizenship and Rights
The Protection of Human Rights
Democracy and Participation
Electoral Systems in the UK
Voting Behaviour in the UK
Political Parties in Wales and the UK
Pressure Groups and Social Movements
Liberalism
Conservatism
Socialism and Communism
Nationalism
The US Constitution and Federalism
Rights and Liberties in the USA
The US Congress
The US Presidency
The US Supreme Court
US Elections and Voting Behaviour
Political Parties in the USA
Electoral Systems in the UK
First Past the Post: how it works
- 3 things to know
- AS Unit 2
Overview
How First Past the Post works, winner's bonus under First Past the Post and duverger's law.
What you need to know
Answer each one before you reveal it.
How many single-member constituencies elect the House of Commons?
Which elections apart from Westminster contests use First Past the Post?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Describe how First Past the Post works.
Model answer
The country is divided into single-member constituencies and the candidate with the most votes in each one is elected, whatever share of the vote that is.
- 2
How many single-member constituencies elect the House of Commons?
Model answer
The House of Commons is elected from 650 single-member constituencies.
- 3
Which elections apart from Westminster contests use First Past the Post?
Model answer
Local council elections in England and Wales use it; mayors and Police and Crime Commissioners were also elected by it after the Elections Act 2022, until the English Devolution and Community Empowerment Act 2026 restored the supplementary vote.
- 4
Explain why a candidate can win a First Past the Post seat with well under half the votes.
Model answer
Only a plurality is required, so where three or more candidates split the vote the winner may be well short of a majority.
- 5
What is meant by the winner's bonus under First Past the Post?
Model answer
The winner's bonus is the way the leading party's share of seats normally exceeds its share of votes, exaggerating its victory.
- 6
State Duverger's law.
Model answer
Duverger's law holds that a single-member plurality system tends to produce a two-party system, because voters desert parties that cannot win locally.
Other ways to work this
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