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Compare

Sir Iain Duncan Smith vs Katie Lam

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

Photograph of Sir Iain Duncan Smith
Sir Iain Duncan Smith
Con Chingford and Woodford Green
vs
Photograph of Katie Lam
Katie Lam
Con Weald of Kent

Voting alignment

Sir Iain Duncan Smith and Katie Lam voted the same way 100% of the time, based on 306 shared comparable votes.

306 same votes 0 different votes 306 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
27 Aye 44 No
Tax 100% aligned 71 shared votes
27 Aye 44 No
24 Aye 18 No
Crime / Justice 100% aligned 42 shared votes
24 Aye 18 No
9 Aye 17 No
Education 100% aligned 26 shared votes
9 Aye 17 No
10 Aye 10 No
Defence 100% aligned 20 shared votes
10 Aye 10 No
3 Aye 14 No
Benefits 100% aligned 17 shared votes
3 Aye 14 No
Most different by topic
27 Aye 44 No
Tax 100% aligned 71 shared votes
27 Aye 44 No
24 Aye 18 No
Crime / Justice 100% aligned 42 shared votes
24 Aye 18 No
9 Aye 17 No
Education 100% aligned 26 shared votes
9 Aye 17 No
10 Aye 10 No
Defence 100% aligned 20 shared votes
10 Aye 10 No
3 Aye 14 No
Benefits 100% aligned 17 shared votes
3 Aye 14 No

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

Voting record

81.4%
9% above average
Rank 172 of 649
Participation
68.0%
5% below average
Rank 465 of 649
1,935
2,376 eligible divisions
Total votes
401
590 eligible divisions
887
45.8% of votes cast
Aye votes
194
48.4% of votes cast
1,048
54.2% of votes cast
No votes
207
51.6% of votes cast
41
2.1% of votes cast
Against party
0
0.0% of votes cast
34 years, 5 months
Since 9 Apr 1992
Commons service
2 years, 3 months
Since 4 Jul 2024

Debates

99
+15.3 vs Commons average
Rank 174 of 649
Appearances
107
+23.3 vs Commons average
Rank 147 of 649
171
+25.1 vs Commons average
Rank 170 of 649
Contributions
128
-17.9 vs Commons average
Rank 250 of 649

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

Financials and interests

£2,530,064
all imported IPSA years
Lifetime expenses
£223,662
all imported IPSA years
£265,254
17% above average
Latest expenses
£223,662
1% below average
9
3 registered categories
Registered interests
12
4 registered categories
6
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
208 of 211 votes
#1
Tax
102 of 112 votes
Foreign Affairs
63 of 69 votes
#2
Devolution / Local Government
19 of 24 votes
Housing
60 of 67 votes
#3
Democracy / Parliament
11 of 14 votes
Migration
153 of 171 votes
#4
Benefits
23 of 30 votes
Crime / Justice
198 of 230 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
Representation of the People Bill: Third Reading 2 Sept 2026
Democracy / Parliament
No
No
Representation of the People Bill: Report Stage: New Clause 88 2 Sept 2026
Democracy / Parliament
No
Aye
Representation of the People Bill: Report Stage: New Clause 67 2 Sept 2026
Democracy / Parliament
Aye
Aye
Representation of the People Bill: Report Stage: New Clause 65 2 Sept 2026
Democracy / Parliament
Aye
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 Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
No
Member source UK Parliament Members API
Voting source Commons Votes API