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Compare

Keir Mather vs Julia Lopez

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 Julia Lopez
Julia Lopez
Con Hornchurch and Upminster

Voting alignment

Keir Mather and Julia Lopez voted the same way 2% of the time, based on 406 shared comparable votes.

9 same votes 397 different votes 406 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
3 Aye 5 No
Democracy / Parliament 13% aligned 8 shared votes
4 Aye 4 No
6 Aye 22 No
Migration 11% aligned 28 shared votes
19 Aye 9 No
12 Aye 8 No
Benefits 10% aligned 20 shared votes
6 Aye 14 No
15 Aye 22 No
Crime / Justice 3% aligned 37 shared votes
21 Aye 16 No
49 Aye 31 No
Tax 0% aligned 80 shared votes
31 Aye 49 No
Most different by topic
49 Aye 31 No
Tax 0% aligned 80 shared votes
31 Aye 49 No
24 Aye 9 No
Education 0% aligned 33 shared votes
9 Aye 24 No
22 Aye 6 No
Work / Employment 0% aligned 28 shared votes
6 Aye 22 No
9 Aye 12 No
Transport 0% aligned 21 shared votes
12 Aye 9 No
14 Aye 6 No
Energy 0% aligned 20 shared votes
6 Aye 14 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
83.4%
11% above average
Rank 127 of 649
602
796 eligible divisions
Total votes
1,768
2,121 eligible divisions
294
48.8% of votes cast
Aye votes
848
48.0% of votes cast
308
51.2% of votes cast
No votes
920
52.0% of votes cast
0
0.0% of votes cast
Against party
14
0.8% of votes cast
3 years, 2 months
Since 20 Jul 2023
Commons service
9 years, 3 months
Since 8 Jun 2017

Debates

103
+19.3 vs Commons average
Rank 160 of 649
Appearances
29
-54.7 vs Commons average
Rank 562 of 649
546
+400.1 vs Commons average
Rank 16 of 649
Contributions
35
-110.9 vs Commons average
Rank 563 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
£1,261,152
all imported IPSA years
£306,391
35% above average
Latest expenses
£227,011
same as average
1
1 registered category
Registered interests
0
0 registered categories
0
matched sponsored bills
Sponsored bills
0
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
Brexit / EU
185 of 188 votes
Democracy / Parliament
16 of 17 votes
#2
Migration
151 of 163 votes
Transport
31 of 33 votes
#3
Trade
79 of 87 votes
Benefits
27 of 31 votes
#4
Foreign Affairs
62 of 69 votes
NHS / Health
12 of 14 votes
#5
Tax
251 of 288 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
Aye
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
No
No
Health Bill: Report Stage: Amendment 1 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 143 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 142 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
Aye
Representation of the People Bill: Third Reading 2 Sept 2026
Democracy / Parliament
No
No
Representation of the People Bill: Report Stage: New Clause 67 2 Sept 2026
Democracy / Parliament
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
No
Where they voted the same
No
Representation of the People Bill: Report Stage: New Clause 88 2 Sept 2026
Democracy / Parliament
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Universal Credit and Personal Independence Payment Bill Committee: New Clause 8 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill Committee: Amendment 39 9 Jul 2025
Benefits
No
No
Crime and Policing Bill Report Stage: Amendment 160 17 Jun 2025
Crime / Justice
No
No
Safety of Rwanda (Asylum and Immigration) Bill Committee: Amendment 23 17 Jan 2024
Migration
No
No
Safety of Rwanda (Asylum and Immigration) Bill Committee: Amendment 19 16 Jan 2024
Migration
No
No
Safety of Rwanda (Asylum and Immigration) Bill Committee: Amendment 10 16 Jan 2024
Migration
No
Aye
Misuse of Drugs Act 1971 (Amendment) Order 2023 12 Sept 2023
Aye
Member source UK Parliament Members API
Voting source Commons Votes API