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Keir Mather vs Andy Slaughter

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 Andy Slaughter
Andy Slaughter
Lab Hammersmith and Chiswick

Voting alignment

Keir Mather and Andy Slaughter voted the same way 100% of the time, based on 497 shared comparable votes.

496 same votes 1 different votes 497 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
43 Aye 29 No
Tax 100% aligned 72 shared votes
43 Aye 29 No
23 Aye 27 No
Crime / Justice 100% aligned 50 shared votes
23 Aye 27 No
31 Aye 13 No
Education 100% aligned 44 shared votes
31 Aye 13 No
25 Aye 11 No
Work / Employment 100% aligned 36 shared votes
25 Aye 11 No
9 Aye 23 No
Migration 100% aligned 32 shared votes
9 Aye 23 No
Most different by topic
43 Aye 29 No
Tax 100% aligned 72 shared votes
43 Aye 29 No
23 Aye 27 No
Crime / Justice 100% aligned 50 shared votes
23 Aye 27 No
31 Aye 13 No
Education 100% aligned 44 shared votes
31 Aye 13 No
25 Aye 11 No
Work / Employment 100% aligned 36 shared votes
25 Aye 11 No
9 Aye 23 No
Migration 100% aligned 32 shared votes
9 Aye 23 No

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

Voting record

75.4 %
3 % above average
Rank 304 of 649
Participation
81.8 %
9 % above average
Rank 163 of 649
589
781 eligible divisions
Total votes
1,932
2,361 eligible divisions
290
49.2 % of votes cast
Aye votes
1,073
55.5 % of votes cast
299
50.8 % of votes cast
No votes
859
44.5 % of votes cast
0
0.0 % of votes cast
Against party
5
0.3 % of votes cast
3 years, 1 months
Since 20 Jul 2023
Commons service
21 years, 3 months
Since 5 May 2005

Debates

103
+25.1 vs Commons average
Rank 145 of 650
Appearances
87
+9.1 vs Commons average
Rank 201 of 650
507
+368.7 vs Commons average
Rank 19 of 650
Contributions
120
-18.3 vs Commons average
Rank 235 of 650

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

Financials and interests

£451,152
all imported IPSA years
Lifetime expenses
£2,905,788
all imported IPSA years
£306,391
35 % above average
Latest expenses
£285,386
26 % above average
1
1 registered category
Registered interests
1
1 registered category
0
matched sponsored bills
Sponsored bills
2
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
Housing
64 of 66 votes
Transport
31 of 33 votes
#2
Defence
68 of 71 votes
Democracy / Parliament
12 of 13 votes
#3
Foreign Affairs
66 of 69 votes
Benefits
27 of 31 votes
#4
NHS / Health
53 of 56 votes
NHS / Health
12 of 14 votes
#5
Work / Employment
72 of 77 votes

Recent voting overlap

Where they voted differently
Aye
Economic Activity of Public Bodies (Overseas Matters) Bill Report Stage: Amendment 13 25 Oct 2023
No rebel
Where they voted the same
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
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
No
No
Public Office (Accountability) Bill Report Stage: Amendment 3 14 Jul 2026
No
Aye
Immigration and Asylum Bill: Second Reading 13 Jul 2026
Migration
Aye
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
Member source UK Parliament Members API
Voting source Commons Votes API