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Find all the facts and figures about Parliament. This selection of research briefings provides data on various topics about Parliament dating back hundreds of years to the present day.


Recall of Parliament
Details of occasions when Parliament has been recalled from 1948 to present, provided in Section 2 of the research briefing

Addresses to members of both Houses of Parliament
Table of heads of state and dignitaries who have addressed MPs and members of the House of Lords from 1939 to present day

Parliaments held away from Westminster
Outlines the dates and locations of Parliaments held away from Westminster dating back to 1213

Meeting places of Parliament at Westminster
List of the meeting places of the House of Commons and House of Lords while sitting at Westminster but not the two main chambers

Total number of MPs, Peers and staff
Data on the numbers of MPs, Peers and staff in Parliament since 1900

Women in Parliament and Government
Figures on the proportion of women in Parliament and elected bodies across the UK and throughout the world

Public Engagement in the UK Parliament: overview and statistics
An overview of public engagement activities undertaken by the UK Parliament and their reach

House of Lords

House of Commons

Progress of Public Bills
Lists the dates of all stages of public bills in both Houses of Parliament

Sessional Returns
Summary of the work of the House of Commons with information on sitting times, use of procedural instruments and the work of select committees

Sessional Diary
The House of Commons Sessional Diary records the time spent in the House on different types of business

House of Commons Annual Accounts
Annual administration accounts for the House of Commons and its Members since 2001

House of Lords

Business statistics
Breakdown of the business and membership statistics for the House of Lords in each session of Parliament

Voting records
Breakdown of voting records for each session of Parliament

Public Bill statistics
Public Bill statistics from the House of Lords for each session of Parliament