Wales · 74,460Boundary · 2023

Merthyr Tydfil & Aberdare

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Created in the 2023 boundary review, from parts of Cynon Valley and Merthyr Tydfil and Rhymney.

Dispatch
Apr 2026

Won by Lab in its first election in 2024. Covers Merthyr Tydfil, Aberdare and Treharris. Population 99,628. Median income £25K (below average).

Serving as a government assistant whip since 2024, Gerald Jones has maintained a spotless voting record -- 100% aligned with the Labour party line across 404 divisions, with zero rebel votes. His most recent parliamentary activity saw him back the government's position in overriding six Lords amendments to the Victims and Courts Bill in March 2026, and vote against opposition motions on oil and gas licensing and defence spending. His January 2026 intervention on the Ajax armoured vehicle programme -- lobbying a minister directly in Commons debate over workforce morale at a site relevant to his South Wales constituency -- represents his most visible recent advocacy work.

At 87% voting participation, Jones sits above the Commons average, though his speech activity is notably sparse: just one recorded contribution since September 2025, touching on social care and the economy. His stance profile marks him out as a reliable government loyalist, consistently backing progressive taxation and a tough-on-crime approach. He deviates from the Labour average in two areas worth noting: he votes more frequently in favour of criminal justice reform (+22 percentage points above his party's average) and shows marginally more flexibility on business regulation.

404
Commons votes
This parliament
£25k
Median income
HMRC · 2024
74.5k
Electorate
2024 GE

A new constituency created in the 2023 boundary review.

Current Member of Parliament

Gerald Jones

Gerald Jones

Labour Party

Gerald Jones is the Labour MP for Merthyr Tydfil and Aberdare, and has been an MP continually since 7 May 2015.

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Voting at a Glance

Won by Lab in its first election in 2024. Covers Merthyr Tydfil, Aberdare and Treharris. Population 99,628. Median income £25K (below average).

2024 General Election

§ 06This week in Westminster.Live · today’s sittingOrder Paper · refreshed daily

Jones’s scheduled Commons activity this week — whipped divisions, oral questions, debates — drawn from the House of Commons Order Paper.

§ 07The record, at a glance.442 divisions voted

Two readings of the same data. Issue volume shows where Jones has cast the most ballots — a proxy for engagement, not direction. Notable votes are the moments where the whip was free or where they broke ranks.

Issue volume
Top issues by total divisions voted · cumulative this Parliament
Taxation
84
Economy
78
Employment
46
Crime & Policing
43
Constitution and Democracy
31
Education
31
Notable votes
Free votes and rebellions — moments the MP’s own judgment matters more than the whip

No rebellions or free votes recorded yet.

§ 08The local picture.17 wards

Constituencies are not uniform. Below — the local council make-up, key facts worth knowing, and the neighbouring seats on either side.

WardCouncillorVotesParty
AberamanJulie Cook1,518Labour P
AberamanSheryl Evans1,447Labour P
AberamanTina Williams1,472Labour P
Aberdare EastSteve Bradwick1,147Labour P
Aberdare EastVictoria Dunn1,000Labour P
Aberdare WestllwydcoedAnn Crimmings1,667Labour P
Aberdare WestllwydcoedGareth Jones1,435Labour P
Aberdare WestllwydcoedSharon Rees1,413Labour P
Bedlinog TrelewisGill Preston411Labour P
CwmbachJeffrey Alan Elliott663Labour P
CwmbachMustapha Maohoub513Labour P
CyfarthfaClaire Jones701Independ
Population (2021 Census)
99,628
Electorate 74,460 · 2024 register
Median income
£25,000
HMRC SPI 2024
Households renting privately
16.1%
England average 20.0%
Schools
48
0 primary · 0 secondary
Next · dig deeperEvery division, question, speech and committee record

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More constituency data is being added, including local issue analysis and historical trends. Learn about our methodology. View data sources & attribution.