It includes both MPs elected at the 2019 general election, held on 12 December 2019, and those subsequently elected in by-elections.
The list is sorted by the name of the MP, and MPs who did not serve throughout the Parliament are italicised. New MPs elected since the general election are noted at the bottom of the page.
^Poulter was elected as a Conservative, but defected to Labour in April 2024.
^Anderson was elected as a Conservative candidate in the 2019 election before his suspension from the party in February 2024. He joined Reform UK in March.
^Bridgen was elected as a Conservative candidate in the 2010 election before his expulsion from the party in April 2023. He joined the Reclaim Party in May but resigned from it in December.
^Webbe was elected as a Labour candidate in the 2019 election before her expulsion from the party in November 2021.
^Corbyn was suspended from Labour in October 2020 and reinstated to the party in November but the parliamentary whip was not restored again. He was expelled from Labour in May 2024 and sat as an independent.
^Davey was defeated in the 2015 election and re-entered the House in the 2017 election.[1]
^Olney was defeated in the 2017 election and re-entered the House in the 2019 election.[2]
^Nick Brown was suspended from Labour in September 2022 and resigned from the party in December 2023. He sat as an independent.
^Galloway previously served in the House as the Member for Glasgow Hillhead (Scotland) from 1987 to 1997, the Member for Glasgow Kelvin (Scotland) from 1997 to 2005, the Member for Bethnal Green and Bow from 2005 to 2010, and the Member for Bradford West from 2012 to 2015.
^Lloyd previously served in the House as the Member for Stretford from 1983 to 1997 and the Member for Manchester Central from 1997 to 2012.[3]
^McVey previously served in the House as the Member for Wirral West from 2010 to 2015.[4]
^Wakeford was elected as a Conservative in the 2019 election before defecting to Labour in January 2022.[5]
^Davies previously served in the House as the Member for Eastleigh from 2015 to 2019.[6]
^Elphicke was elected as a Conservative, but defected to Labour in May 2024.
^Parish was elected as a Conservative in the 2010 election before the party whip was withdrawn in April 2022.
^Warburton was suspended by the parliamentary Conservatives in April 2022 and sat as an independent.[7]
^Pincher was suspended by the parliamentary Conservatives in July 2022 and sat as an independent.[8]
^Ahmad Khan was elected as a Conservative in the 2019 election before his expulsion from the party in April 2022.