Compare

Keir Mather vs Simon Lightwood

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 Simon Lightwood
Simon Lightwood
Lab Wakefield and Rothwell

Voting alignment

Keir Mather and Simon Lightwood voted the same way 100% of the time, based on 370 shared comparable votes.

370 same votes 0 different votes 370 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
32 Aye 20 No
Tax 100% aligned 52 shared votes
32 Aye 20 No
18 Aye 13 No
Crime / Justice 100% aligned 31 shared votes
18 Aye 13 No
16 Aye 13 No
Education 100% aligned 29 shared votes
16 Aye 13 No
7 Aye 22 No
Migration 100% aligned 29 shared votes
7 Aye 22 No
18 Aye 10 No
Work / Employment 100% aligned 28 shared votes
18 Aye 10 No
Most different by topic
32 Aye 20 No
Tax 100% aligned 52 shared votes
32 Aye 20 No
18 Aye 13 No
Crime / Justice 100% aligned 31 shared votes
18 Aye 13 No
16 Aye 13 No
Education 100% aligned 29 shared votes
16 Aye 13 No
7 Aye 22 No
Migration 100% aligned 29 shared votes
7 Aye 22 No
18 Aye 10 No
Work / Employment 100% aligned 28 shared votes
18 Aye 10 No

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

Voting record

75.2 %
3 % above average
Rank 307 of 649
Participation
65.1 %
8 % below average
Rank 516 of 649
582
774 eligible divisions
Total votes
693
1,065 eligible divisions
287
49.3 % of votes cast
Aye votes
382
55.1 % of votes cast
295
50.7 % of votes cast
No votes
311
44.9 % of votes cast
0
0.0 % of votes cast
Against party
1
0.1 % of votes cast
2 years, 11 months
Since 20 Jul 2023
Commons service
4 years, 0 months
Since 23 Jun 2022

Debates

94
+18.8 vs Commons average
Rank 150 of 649
Appearances
76
+0.8 vs Commons average
Rank 240 of 649
432
+298.6 vs Commons average
Rank 26 of 649
Contributions
184
+50.6 vs Commons average
Rank 132 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
£764,432
all imported IPSA years
£306,391
35 % above average
Latest expenses
£321,958
42 % above average
1
1 registered category
Registered interests
3
2 registered categories
0
matched sponsored bills
Sponsored bills
1
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
Foreign Affairs
27 of 29 votes
Transport
31 of 33 votes
#2
Democracy / Parliament
12 of 13 votes
Democracy / Parliament
12 of 13 votes
#3
NHS / Health
16 of 20 votes
Benefits
27 of 31 votes
#4
Housing
34 of 43 votes
NHS / Health
12 of 14 votes
#5
Transport
26 of 34 votes

Recent voting overlap

These MPs agreed on every division where both voted in the current comparison sample.

Where they voted the same
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
Draft Climate Change Act 2008 (Credit Limit) Order 2026 24 Jun 2026
Environment / Climate
Aye
Aye
Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026 24 Jun 2026
Environment / Climate Transport
Aye
Aye
Draft Carbon Budget Order 2026 24 Jun 2026
Environment / Climate
Aye
Aye
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
Aye
No
Opposition Day: Puberty blockers 23 Jun 2026
No
Aye
Opposition Day Motion: Defence spending and readiness - Prime Minister's Amendment 23 Jun 2026
Defence
Aye
No
Opposition day: Defence spending and readiness 23 Jun 2026
Defence
No
Member source UK Parliament Members API
Voting source Commons Votes API