Compare

David Mundell vs Katie Lam

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

Photograph of David Mundell
David Mundell
Con Dumfriesshire, Clydesdale and Tweeddale
vs
Photograph of Katie Lam
Katie Lam
Con Weald of Kent

Voting alignment

David Mundell and Katie Lam voted the same way 100% of the time, based on 248 shared comparable votes.

248 same votes 0 different votes 248 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 35 No
Tax 100% aligned 67 shared votes
32 Aye 35 No
16 Aye 16 No
Crime / Justice 100% aligned 32 shared votes
16 Aye 16 No
5 Aye 13 No
Education 100% aligned 18 shared votes
5 Aye 13 No
2 Aye 15 No
Benefits 100% aligned 17 shared votes
2 Aye 15 No
4 Aye 9 No
Devolution / Local Government 100% aligned 13 shared votes
4 Aye 9 No
Most different by topic
32 Aye 35 No
Tax 100% aligned 67 shared votes
32 Aye 35 No
16 Aye 16 No
Crime / Justice 100% aligned 32 shared votes
16 Aye 16 No
5 Aye 13 No
Education 100% aligned 18 shared votes
5 Aye 13 No
2 Aye 15 No
Benefits 100% aligned 17 shared votes
2 Aye 15 No
4 Aye 9 No
Devolution / Local Government 100% aligned 13 shared votes
4 Aye 9 No

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

Voting record

67.7%
5% below average
Rank 470 of 649
Participation
68.0%
5% below average
Rank 465 of 649
1,609
2,376 eligible divisions
Total votes
401
590 eligible divisions
769
47.8% of votes cast
Aye votes
194
48.4% of votes cast
840
52.2% of votes cast
No votes
207
51.6% of votes cast
7
0.4% of votes cast
Against party
0
0.0% of votes cast
21 years, 5 months
Since 5 May 2005
Commons service
2 years, 3 months
Since 4 Jul 2024

Debates

124
+39.2 vs Commons average
Rank 112 of 650
Appearances
107
+22.2 vs Commons average
Rank 150 of 650
127
-20.7 vs Commons average
Rank 255 of 650
Contributions
128
-19.7 vs Commons average
Rank 254 of 650

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

Financials and interests

£3,330,205
all imported IPSA years
Lifetime expenses
£223,662
all imported IPSA years
£330,224
46% above average
Latest expenses
£223,662
1% below average
10
4 registered categories
Registered interests
12
4 registered categories
2
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

Brexit / EU
201 of 211 votes
#1
Tax
102 of 112 votes
Foreign Affairs
60 of 69 votes
#2
Devolution / Local Government
19 of 24 votes
Trade
73 of 91 votes
#3
Democracy / Parliament
11 of 14 votes
Migration
130 of 171 votes
#4
Benefits
23 of 30 votes
Environment / Climate
34 of 48 votes
#5
Digital / Online Safety
8 of 11 votes

Recent voting overlap

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

Where they voted the same
No
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
No
No
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
No
Aye
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
Aye
Aye
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
Aye
Aye
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
Aye
No
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026 8 Jul 2026
Education
No
No
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 8 Jul 2026
No
No
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
No
Aye
Opposition Day: Early release of prisoners 7 Jul 2026
Crime / Justice
Aye
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
Aye
Member source UK Parliament Members API
Voting source Commons Votes API