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Compare

Keir Mather vs Jeremy Corbyn

A side-by-side comparison of voting participation, party rebellion, topic focus, and recent voting overlap.

Photograph of Keir Mather
Keir Mather
Lab Selby
vs
Photograph of Jeremy Corbyn
Jeremy Corbyn
YP Islington North

Voting alignment

Keir Mather and Jeremy Corbyn voted the same way 66% of the time, based on 318 shared comparable votes.

209 same votes 109 different votes 318 shared votes

Alignment only includes divisions where both MPs recorded an Aye or No vote. Tellers, absences, abstentions, and missing votes are excluded.

Topic alignment

Closest by topic
17 Aye 7 No
Work / Employment 100% aligned 24 shared votes
17 Aye 7 No
6 Aye 2 No
Environment / Climate 100% aligned 8 shared votes
6 Aye 2 No
4 Aye 1 No
Trade 100% aligned 5 shared votes
4 Aye 1 No
0 Aye 3 No
Devolution / Local Government 100% aligned 3 shared votes
0 Aye 3 No
7 Aye 22 No
Migration 97% aligned 29 shared votes
6 Aye 23 No
Most different by topic
18 Aye 6 No
Education 38% aligned 24 shared votes
13 Aye 11 No
4 Aye 9 No
Benefits 38% aligned 13 shared votes
8 Aye 5 No
23 Aye 21 No
Crime / Justice 50% aligned 44 shared votes
25 Aye 19 No
10 Aye 12 No
Defence 55% aligned 22 shared votes
10 Aye 12 No
3 Aye 11 No
Transport 57% aligned 14 shared votes
9 Aye 5 No

Topic alignment uses local topic tags, so a division can count towards more than one topic.

Voting record

75.6%
3% above average
Rank 296 of 649
Participation
62.3%
10% below average
Rank 553 of 649
602
796 eligible divisions
Total votes
1,481
2,376 eligible divisions
294
48.8% of votes cast
Aye votes
822
55.5% of votes cast
308
51.2% of votes cast
No votes
659
44.5% of votes cast
0
0.0% of votes cast
Against party
4
0.3% of votes cast
3 years, 2 months
Since 20 Jul 2023
Commons service
43 years, 3 months
Since 9 Jun 1983

Debates

103
+19.3 vs Commons average
Rank 160 of 649
Appearances
138
+54.3 vs Commons average
Rank 86 of 649
546
+400.1 vs Commons average
Rank 16 of 649
Contributions
195
+49.1 vs Commons average
Rank 142 of 649

Debate figures cover imported Hansard debate appearances from the last 12 months.

Financials and interests

£451,152
all imported IPSA years
Lifetime expenses
£2,714,849
all imported IPSA years
£306,391
35% above average
Latest expenses
£284,788
26% above average
1
1 registered category
Registered interests
29
3 registered categories
0
matched sponsored bills
Sponsored bills
5
matched sponsored bills

Expenses use IPSA totals for financial year 2024-25. Sponsored bill counts depend on currently imported bill sponsor metadata.

Most active voting topics

Education
50 of 52 votes
#1
Migration
144 of 171 votes
Democracy / Parliament
16 of 17 votes
#2
Brexit / EU
172 of 211 votes
Transport
31 of 33 votes
#3
Housing
51 of 67 votes
Benefits
27 of 31 votes
#4
Work / Employment
55 of 77 votes
NHS / Health
12 of 14 votes
#5
Foreign Affairs
48 of 69 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No
Aye
Closure motion 11 Sept 2026
No
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 6 7 Sept 2026
Aye
No
Public Office (Accountability) Bill Report Stage: Amendment 3 14 Jul 2026
Aye
Aye
Immigration and Asylum Bill: Second Reading 13 Jul 2026
Migration
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 2 1 Jul 2026
Energy Tax Transport
Aye
Aye
Opposition Day Motion: Defence spending and readiness - Prime Minister's Amendment 23 Jun 2026
Defence
No
No
Armed Forces Bill Report Stage: Amendment 11 22 Jun 2026
Defence
Aye
No
Armed Forces Bill Report Stage: New Clause 22 22 Jun 2026
Defence
Aye
Where they voted the same
Aye
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
Aye
Aye
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
Aye
No
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
No
No
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
No
Aye
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026 8 Jul 2026
Education
Aye
Aye
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 8 Jul 2026
Aye
Aye
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
Aye
Aye
Employment Tribunal (Extension of Time Limits) (Miscellaneous Amendments and Transitional Provisions) Regulations 2026 1 Jul 2026
Aye
Aye
Employment Tribunals Extension of Jurisdiction (England and Wales) (Amendment) Order 2026 1 Jul 2026
Aye
Member source UK Parliament Members API
Voting source Commons Votes API