Parliament

United Kingdom

Composition

House of Lords · IPU Parline

Gender

Women 31.5%Men 68.5%

Age distribution · avg 70

Under 300.1%

30–452%

45+97.9%

Indicator	Value
Parliament	House of CommonsIPU Parline [2024]
Structure	BicameralIPU Parline [2024]
Total seats	650 seatsIPU Parline [2024]
Electoral system	Plurality / majorityIPU Parline [2024]
Last election	2024-07-04IPU Parline [2024]
Next election (expected)	2029-07-31IPU Parline [2024]
Voter turnout	59.76 %International IDEA Voter Turnout [2024]
Speaker	Sir Lindsay HoyleIPU Parline [2024]
Women members (seats)	265 seatsIPU Parline [2024]
Women in parliament	40.5 %World Bank WDI [2025]
Average member age	49.2 yearsIPU Parline [2024]

Section metadata

Data year2025

EditionDatabook 2026

Coverage11/11

LicenseCC-BY

Datasets on this page

IPU Parline
ipu_parline
Edition: 2024
International IDEA Voter Turnout
idea_voter_turnout
Edition: 2026
World Bank WDI
world_bank_wdi
Edition: 2024

About this data

United Kingdom's parliament on Databook compiles 11 indicators from 3 open datasets including IPU Parline, International IDEA Voter Turnout, World Bank WDI. Key figures include parliament (House of Commons), structure (Bicameral). Data is referenced to 2025. Every value carries its source and publication year, published under open licenses.