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.

A general election was held on mainland Tanzania and the semi-autonomous Zanzibar on Wednesday 28 October 2020. As well as electing a president and vice-president, the electorate also voted for members of the National Assembly.
Tanzania: 2020 presidential election (229 KB , PDF)
President John Magufuli was declared the winner by election authorities, securing a second (and final) five-year term on a landslide 84 per cent of votes.
There has been criticism of the way in which the election was conducted and the two main opposition parties have suggested the poll was fraudulent and have demanded a rerun.
Tanzania: 2020 presidential election (229 KB , PDF)
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.
A Westminster Hall debate on returning forcibly deported children to Ukraine is scheduled for Wednesday 21 May 2025, from 2.30pm to 4.00pm. The debate will be led by Johanna Baxter MP.
The Supreme Court has ruled that references to “sex”, “man” and “woman” in the Equality Act refer to biological sex (a person’s sex at birth).