The politics of the UK Key Terms

Legitimacy

The rightfulness of a political system or authority, derived from the consent of the governed and the perceived fairness of its processes.

Pluralism

A political theory that power is distributed among diverse groups and that competition among these groups is essential for a healthy democracy.

Universal suffrage

The right of all adult citizens to vote, regardless of gender, property, or other status.

Property qualification

A legal requirement that a voter must own property of a certain value to be eligible to vote.

Universal suffrage

The right of all adult citizens, regardless of gender, property, or social status, to vote in elections.

Political convention

An unwritten rule or practice that guides political behaviour, such as the convention that the monarch remains politically neutral.

Representative democracy

A form of democracy where citizens elect representatives to make policy decisions on their behalf.

Electoral system

The set of rules and procedures that determine how votes are counted and how seats in a legislature are allocated.

Direct democracy

A governance model where citizens vote directly on policy issues, typically through referendums or initiatives, bypassing elected representatives.

Representative democracy

A system in which citizens elect representatives to make decisions on their behalf, with Parliament serving as the main legislative authority in the UK.

Turnout

The percentage of eligible voters who cast a ballot in an election, used as an indicator of political participation.

Political participation

The active engagement of citizens in the political process, encompassing activities such as voting, petitioning, lobbying, campaigning, and other forms of civic involvement.

Electoral mandate

The authority granted to an elected body or individual by the electorate, often interpreted as the will of the voters.

Swing

The percentage point change in vote share from one election to another, indicating shifts in voter preference.

Electoral Threshold

The minimum share of the vote a party must obtain to be eligible for seat allocation in a proportional system. It prevents excessive fragmentation of the legislature.

Majority

More than 50 % of the votes cast. In FPTP a majority is not required for a candidate to win; in STV a candidate must reach a quota based on the number of seats and votes.

Electoral swing

The percentage change in the share of votes between two parties from one election to the next.

Constituency

A geographically defined area represented by a Member of Parliament in the House of Commons.

Electoral quota

The minimum number of votes required for a candidate to secure a seat in a multi‑seat constituency.

Turnout

The percentage of the electorate that actually votes in an election or referendum.

Electoral volatility

The degree to which voters change their party allegiance between elections, often influenced by campaign dynamics, leadership changes and media coverage.

Leadership charisma

A leader’s personal appeal and ability to inspire confidence, which can translate into electoral advantage when effectively communicated.

Electoral system

The set of rules and procedures that determine how votes are translated into seats in the legislature, such as the First Past the Post system used in UK general elections.

Constitutional convention

An unwritten, non‑legally enforceable rule that guides political practice, such as the convention that the Prime Minister must command the confidence of the House of Commons.

Electoral system

The set of rules that determines how votes are translated into seats, including the method of counting, the number of seats, and the constituency structure.

Party system

The pattern of party competition and the number of parties that regularly win seats in a legislature.

Referendum

A direct vote by the electorate on a specific political issue, used to gauge public opinion rather than to create binding law.

Political Convention

An unwritten practice accepted as a rule of conduct in politics, lacking legal enforceability.

Political Party

An organised group that seeks to influence public policy by nominating candidates to stand in elections and aims to win government.

Pressure Group

An organisation that seeks to influence public policy through lobbying, campaigns, and public pressure, without attempting to win electoral office.