List of Parliamentary constituencies in Merseyside

  † Conservative   ‡ Labour

Constituency[nb 1]	Electorate[1]	Majority[2][nb 2]	Member of Parliament[2]		Nearest opposition[2]		Map
Birkenhead BC	63,762	17,705		Mick Whitley‡		Frank Field (Birkenhead Social Justice)
Bootle BC	74,832	34,556		Peter Dowd‡		Tarsilo Onuluk†
Garston and Halewood BC	76,116	31,624		Maria Eagle‡		Neva Novaky†
Knowsley BC	84,060	39,942		George Howarth‡		Rushi Millns†
Liverpool, Riverside BC	80,310	37,043		Kim Johnson‡		Sean Malkeson†
Liverpool, Walton BC	62,628	30,520		Dan Carden‡		Alex Phillips†
Liverpool, Wavertree BC	63,458	27,085		Paula Barker‡		Catherine Mulhern†
Liverpool, West Derby BC	65,640	29,984		Ian Byrne‡		Tom Bradley†
Sefton Central CC	69,760	15,122		Bill Esterson‡		Wazz Mughal†
Southport BC	70,837	4,147		Damien Moore†		Liz Savage‡
St Helens North BC	75,593	12,209		Conor McGinn‡		Joel Charles†
St Helens South and Whiston BC	79,058	19,122		Marie Rimmer‡		Richard Short†
Wallasey BC	66,310	18,322		Angela Eagle‡		James Baker†
Wirral South CC	57,280	6,105		Alison McGovern‡		Stewart Gardiner†
Wirral West CC	55,550	3,003		Margaret Greenwood‡		Laura Evans†

1. Birkenhead BC
2. Bootle BC
3. Crosby BC
4. Knowsley North and Sefton East CC
5. Knowsley South CC
6. Liverpool, Garston BC
7. Liverpool, Riverside BC
8. Liverpool, Walton BC
9. Liverpool, Wavertree BC
10. Liverpool, West Derby BC
11. St Helens North BC
12. St Helens South BC
13. Southport BC
14. Wallasey BC
15. Wirral South CC
16. Wirral West CC

The Boundary Commission for England submitted their final proposals in respect of the Sixth Periodic Review of Westminster Constituencies (the 2018 review) in September 2018. Although the proposals were immediately laid before Parliament they were not brought forward by the Government for approval. Accordingly, they did not come into effect for the 2019 election which took place on 12 December 2019, and which was contested using the constituency boundaries in place since 2010.

Under the terms of the Parliamentary Voting System and Constituencies Act 2011, the Sixth Review was based on reducing the total number of MPs from 650 to 600 and a strict electoral parity requirement that the electorate of all constituencies should be within a range of 5% either side of the electoral quota.

On 24 March 2020, the Minister of State for the Cabinet Office, Chloe Smith, issued a written statement to Parliament setting out the Government's thinking with regard to parliamentary boundaries. They propose to bring forward primary legislation to remove the statutory obligation to implement the 2018 Boundary Review recommendations, as well as set the framework for future boundary reviews in time for the next review which is due to begin in early 2021 and report no later than October 2023. It is proposed that the number of constituencies now remains at the current level of 650, rather than being reduced to 600, while retaining the requirement that the electorate should be no more than +/- 5% from the electoral quota.[3]

Primary data source: House of Commons research briefing - General election results from 1918 to 2019[4]

2019

The number of votes cast for each political party who fielded candidates in constituencies comprising Merseyside in the 2019 general election were as follows:

Party	Votes	%	Change from 2017	Seats	Change from 2017
Labour	463,371	65.2%	6.0%	14	0
Conservative	143,431	20.2%	1.2%	1	0
Liberal Democrats	39,591	5.6%	1.3%	0	0
Brexit	33,392	4.7%	new	0	0
Greens	19,371	2.7%	1.2%	0	0
Others	11,443	1.6%	0.0%	0	0
Total	710,599	100.0		15

A cell marked → (with a different colour background to the preceding cell) indicates that the previous MP continued to sit under a new party name.

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• List of Parliamentary constituencies in the North West (region)
• List of United Kingdom Parliament constituencies