Compare

Mr David Lammy vs Sir Iain Duncan Smith

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

Photograph of Mr David Lammy
Mr David Lammy
Lab Tottenham
vs
Photograph of Sir Iain Duncan Smith
Sir Iain Duncan Smith
Con Chingford and Woodford Green

Voting alignment

Mr David Lammy and Sir Iain Duncan Smith voted the same way 4% of the time, based on 999 shared comparable votes.

37 same votes 962 different votes 999 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 27 No
Trade 7% aligned 54 shared votes
25 Aye 29 No
14 Aye 3 No
NHS / Health 6% aligned 17 shared votes
4 Aye 13 No
19 Aye 3 No
Energy 5% aligned 22 shared votes
4 Aye 18 No
11 Aye 13 No
Housing 4% aligned 24 shared votes
14 Aye 10 No
26 Aye 38 No
Migration 3% aligned 64 shared votes
38 Aye 26 No
Most different by topic
16 Aye 19 No
Transport 0% aligned 35 shared votes
19 Aye 16 No
22 Aye 9 No
Work / Employment 0% aligned 31 shared votes
9 Aye 22 No
15 Aye 15 No
Defence 0% aligned 30 shared votes
15 Aye 15 No
20 Aye 6 No
Benefits 0% aligned 26 shared votes
6 Aye 20 No
18 Aye 3 No
Education 0% aligned 21 shared votes
3 Aye 18 No

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

Voting record

48.7%
24% below average
Rank 623 of 649
Participation
81.4%
9% above average
Rank 172 of 649
1,156
2,376 eligible divisions
Total votes
1,935
2,376 eligible divisions
696
60.2% of votes cast
Aye votes
887
45.8% of votes cast
460
39.8% of votes cast
No votes
1,048
54.2% of votes cast
11
1.0% of votes cast
Against party
41
2.1% of votes cast
26 years, 3 months
Since 22 Jun 2000
Commons service
34 years, 6 months
Since 9 Apr 1992

Debates

59
-24.6 vs Commons average
Rank 385 of 650
Appearances
99
+15.4 vs Commons average
Rank 174 of 650
751
+605.3 vs Commons average
Rank 7 of 650
Contributions
171
+25.3 vs Commons average
Rank 170 of 650

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

Financials and interests

£2,872,069
all imported IPSA years
Lifetime expenses
£2,530,064
all imported IPSA years
£268,880
19% above average
Latest expenses
£265,254
17% above average
7
4 registered categories
Registered interests
9
3 registered categories
3
matched sponsored bills
Sponsored bills
6
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
186 of 211 votes
#1
Brexit / EU
208 of 211 votes
Trade
61 of 91 votes
#2
Foreign Affairs
63 of 69 votes
Foreign Affairs
43 of 69 votes
#3
Housing
60 of 67 votes
NHS / Health
32 of 56 votes
#4
Migration
153 of 171 votes
Crime / Justice
123 of 230 votes
#5
Crime / Justice
198 of 230 votes

Recent voting overlap

Where they voted differently
Aye
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
No
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
No
No
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
Aye
No
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
Aye
Aye
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
No
No
Armed Forces Bill Committee: New Clause 5 2 Jun 2026
Defence
Aye
No
Armed Forces Bill Committee: New Clause 2 2 Jun 2026
Defence
Aye
Aye
King's Speech Motion for an Address 20 May 2026
No
No
King's Speech Motion for an Address: amendment (p) 20 May 2026
Aye
No
King's Speech Motion for an Address: amendment (o) 20 May 2026
Aye
Where they voted the same
No
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No
No
Closure motion 11 Sept 2026
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Sentencing Bill Committee: New Clause 30 21 Oct 2025
Crime / Justice
No
No
Terminally Ill Adults (End of Life) Bill: Second Reading 29 Nov 2024
No
No
Motion to sit in private 21 Feb 2024
Tax
No
Aye
Misuse of Drugs Act 1971 (Amendment) Order 2023 12 Sept 2023
Aye
No
Nationality and Borders Bill: Motion to disagree with LA 26B 20 Apr 2022
Migration
No
Aye
Nuclear Energy (Financing) Bill: Third Reading 10 Jan 2022
Energy
Aye
Aye
Nationality and Borders Bill (Report): New Clause 52 7 Dec 2021
Migration
Aye
Member source UK Parliament Members API
Voting source Commons Votes API