Research Briefing
Chairs of Commons select committees since 2010
House of Commons select committee chairs in the 2024, 2019, 2017, 2015 and 2010 parliaments.
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Research Briefing
MPs related to other current or former Members since 2010
List of MPs who are related to current or former Members of Parliament
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Research Briefing
Number of divisions in the House of Commons since 1945
The number of divisions in the House of Commons Chamber since 1945 listed by session. Counts of deferred divisions since the 2000-01 session are also included.
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Research Briefing
Number of seats in the House of Commons since 1801
The number of seats contested in general elections to the House of Commons from 1801 to today. Items of legislation enabling changes to the number of seats are listed.
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Research Briefing
Government Chief Whips and Deputy Whips since 1945
Government Chief Whips and Deputy Chief Whips in the Commons and Lords since 1945
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Research Briefing
UK parliamentary by-elections since 1945
This list notes the number of by-elections by session since 1945-46 together with a list of the the successful candidates in by-elections since 2005.
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Research Briefing
Emergency debates in the House of Commons since 1979
Applications for emergency debates made in the House of Commons since 1979, including the outcome of each application from 1992, and details of the debates following successful applications.
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Research Briefing
MPs’ changes of party allegiance in the House of Commons since 1979
This list notes when a Member has changed allegiance from one political party to another or decided to sit as an independent MP. Instances of Members losing or resigning a party whip are also noted.
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Research Briefing
Prayers against Statutory Instruments in the House of Commons since 1997
Prayer motions are used by MPs to call for negative statutory instruments to be annulled, revoked, or not made.
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Research Briefing
Number of sitting days in the House of Commons by session since 1900
Commons sitting days by session since 1900
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Research Briefing
Appointments to the Chiltern Hundreds and Manor of Northstead Stewardships since 1880
Resignations of MPs from the House of Commons since 1880.
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Parliament: Facts and figures,Research Briefing
Democratic Unionist Party (DUP) leaders and officials since 1971
This list notes DUP leaders and officials since 1971.
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Research Briefing
MPs who have withdrawn from the Commons Chamber or who have been suspended
This list notes MPs who have left the Chamber voluntarily, been asked to withdraw, or who have been suspended.
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Research Briefing
Conservative Party leaders and officials since 1975
This List notes Conservative Party leaders and officials since 1975.
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Research Briefing
Labour Party leaders and officials since 1975
This note lists Labour Party leaders and officials since 1975.
Total results (page 2 of 5)