The ceremonial county of Hampshire, which includes the unitary authorities of Portsmouth and Southampton, is divided into 18 parliamentary constituencies: 9 borough constituencies and 9 county constituencies.

  Conservative †   Labour ‡   Liberal Democrat ¤

More information Constituency, Electorate ...

Constituency[nb 1]	Electorate[1]	Majority[2][nb 2]	Member of Parliament[2]		Nearest opposition[2]		Map
Aldershot BC	72,617	16,698		Leo Docherty †		Howard Kaye ‡
Basingstoke BC	82,928	14,198		Maria Miller †		Kerena Marchant ‡
East Hampshire CC	76,478	19,696		Damian Hinds †		David Buxton ¤
Eastleigh BC	83,880	15,607		Paul Holmes †		Lynda Murphy ¤
Fareham CC	78,337	26,086		Suella Braverman †		Matthew Randall ‡
Gosport BC	73,541	23,278		Caroline Dinenage †		Tom Chatwin ‡
Havant BC	72,103	21,792		Alan Mak †		Rosamund Knight ‡
Meon Valley CC	75,737	23,555		Flick Drummond †		Lewis North ¤
New Forest East CC	73,549	25,251		Julian Lewis †		Julie Hope ‡
New Forest West CC	70,869	24,403		Desmond Swayne †		Jack Davies ¤
North East Hampshire CC	78,954	20,211		Ranil Jayawardena †		Graham Cockarill ¤
North West Hampshire CC	83,083	26,308		Kit Malthouse †		Luigi Gregori ¤
Portsmouth North BC	71,299	15,780		Penny Mordaunt †		Amanda Martin ‡
Portsmouth South BC*	74,186	5,363		Stephen Morgan ‡		Donna Jones †
Romsey and Southampton North CC	68,228	10,872		Caroline Nokes †		Craig Fletcher ¤
Southampton Itchen BC	72,299	4,498		Royston Smith †		Simon Letts ‡
Southampton Test BC	70,116	6,213		Alan Whitehead ‡		Steven Galton †
Winchester CC	75,582	985		Steve Brine †		Paula Ferguson ¤

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Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to increase the number of seats which covered Hampshire from 17 to 18, with the creation of Meon Valley. As a consequence of resulting boundary changes, Romsey was renamed Romsey and Southampton North. The Aldershot and Basingstoke seats, more predominantly urban than previously defined, were redesignated as borough constituencies.

See 2023 Periodic Review of Westminster constituencies for further details.

Following the abandonment of the Sixth Periodic Review (the 2018 review), the Boundary Commission for England formally launched the 2023 Review on 5 January 2021.^[3] Initial proposals were published on 8 June 2021 and, following two periods of public consultation, revised proposals were published on 8 November 2022. The final proposals were published on 28 June 2023.

The commission has proposed that Hampshire be combined with Berkshire and Surrey as a sub-region of the South East Region. As a result, parts of the current constituency of East Hampshire would be included in a new cross-county boundary constituency named Farnham and Bordon. In addition, Fareham and Meon Valley would be abolished and replaced by Fareham and Waterlooville, and Hamble Valley.^[4][5]

The following constituencies are proposed:

Containing electoral wards from Basingstoke and Deane

• Basingstoke
• East Hampshire (part)
• North East Hampshire (part)
• North West Hampshire (part)

Containing electoral wards from East Hampshire

• East Hampshire (part)
• Farnham and Bordon (also includes part in the Surrey borough of Waverley)

Containing electoral wards from Eastleigh

• Eastleigh (part)
• Hamble Valley (part)

Containing electoral wards from Fareham

• Fareham and Waterlooville (part)
• Gosport (part)
• Hamble Valley (part)

Containing electoral wards from Gosport

• Gosport (part)

Containing electoral wards from Hart

• Aldershot (part)
• North East Hampshire (part)

Containing electoral wards from Havant

• Fareham and Waterlooville (part)
• Havant

Containing electoral wards from New Forest

• New Forest East
• New Forest West

Containing electoral wards from Portsmouth

• Portsmouth North
• Portsmouth South

Containing electoral wards from Rushmoor

• Aldershot (part)

Containing electoral wards from Southampton

• Romsey and Southampton North (part)
• Southampton Itchen
• Southampton Test

Containing electoral wards from Test Valley

• Eastleigh (part)
• North West Hampshire (part)
• Romsey and Southampton North (part)

Containing electoral wards from Winchester

• Fareham and Waterlooville (part)
• Hamble Valley (part)
• Winchester

Primary data source: House of Commons research briefing - General election results from 1918 to 2019.^[6] The Isle of Wight is excluded throughout.

2019

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

More information Party, Votes ...

Party	Votes	%	Change from 2017	Seats	Change from 2017
Conservative	536,633	57.1%	0.5%	16	0
Labour	188,738	20.1%	6.5%	2	0
Liberal Democrats	175,173	18.6%	6.4%	0	0
Greens	30,710	3.3%	1.3%	0	0
Brexit	2,585	0.3%	new	0	0
Others	6,473	0.6%	2.0%	0	0
Total	940,312	100.0		18

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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. Unlike elsewhere in this article, the Isle of Wight is included in these tables.

• List of parliamentary constituencies in the South East (region)