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United Kingdom

United Kingdom of Great Britain and Northern Ireland

Common lawUnitary parliamentary constitutional monarchyReviewed· 2026-06-20
Capital
London
Population
68,500,000
Languages
English, Welsh
Currency
GBP

United Kingdom · Government

Government and administration in United Kingdom

How the executive, legislature and administrative state are organised, and which body is responsible for what.

The three branches

Head of State — The Sovereign
Ceremonial; acts on ministerial advice.
Executive — Prime Minister and Cabinet
Drawn from and accountable to Parliament.
Legislative — House of Commons and House of Lords
650 elected MPs; an appointed revising chamber.
Judicial — Judiciary of England and Wales, Scotland, NI
Appointed via independent selection commissions.

How legislation is made

First reading, second reading, committee stage, report stage and third reading in each House, then ping-pong on amendments, then Royal Assent.

Enforcement institutions

Crown Prosecution Service
Charges and prosecutes in England and Wales.
Police forces
43 territorial forces in England and Wales, plus Police Scotland and PSNI.
HM Revenue & Customs
Tax investigation and prosecution referral.

Government bodies and regulators

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