Statistics for UK by-elections (2019-present)

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Date	Winner	Answer	% Correct
17 June 2021	Lib Dem gain from Conservative	Chesham and Amersham	80%
19 October 2023	Labour gain from Conservative	Mid Bedfordshire	60%
20 July 2023	Conservative hold	Uxbridge and South Ruislip	60%
2 May 2024	Upcoming (conservative defense)	Blackpool South	40%
6 May 2021	Conservative gain from Labour	Hartlepool	40%
5 October 2023	Labour gain from SNP	Rutherglen and Hamilton West	40%
23 June 2022	Labour gain from Conservative	Wakefield	40%
13 May 2021	SNP hold	Airdrie and Shotts	20%
1 July 2021	Labour hold	Batley and Spen	20%
3 March 2022	Labour hold	Birmingham Erdington	20%
1 December 2022	Labour hold	City of Chester	20%
15 February 2024	Labour gain from Conservative	Kingswood	20%
16 December 2021	Lib Dem gain from Conservative	North Shropshire	20%
2 December 2021	Conservative hold	Old Bexley and Sidcup	20%
29 February 2024	Workers gain from Labour	Rochdale	20%
20 July 2023	Lib Dem gain from Conservative	Somerton and Frome	20%
3 February 2022	Conservative hold	Southend West	20%
15 December 2022	Labour hold	Stretford and Urmston	20%
19 October 2023	Labour gain from Conservative	Tamworth	20%
23 June 2022	Lib Dem gain from Conservative	Tiverton and Honiton	20%
15 February 2024	Labour gain from Conservative	Wellingborough	20%
20 July 2023	Labour gain from Conservative	Selby and Ainsty	0%
9 February 2023	Labour hold	West Lancashire	0%