Compare

Sir Iain Duncan Smith vs Emily Thornberry

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 Emily Thornberry
Emily Thornberry
Lab Islington South and Finsbury

Voting alignment

Sir Iain Duncan Smith and Emily Thornberry voted the same way 3% of the time, based on 1,246 shared comparable votes.

43 same votes 1,203 different votes 1,246 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
24 Aye 26 No
Trade 10% aligned 50 shared votes
25 Aye 25 No
12 Aye 12 No
NHS / Health 4% aligned 24 shared votes
13 Aye 11 No
56 Aye 108 No
Brexit / EU 4% aligned 164 shared votes
108 Aye 56 No
80 Aye 32 No
Migration 4% aligned 112 shared votes
30 Aye 82 No
61 Aye 109 No
Tax 2% aligned 170 shared votes
109 Aye 61 No
Most different by topic
31 Aye 22 No
Transport 0% aligned 53 shared votes
22 Aye 31 No
12 Aye 34 No
Education 0% aligned 46 shared votes
34 Aye 12 No
14 Aye 30 No
Foreign Affairs 0% aligned 44 shared votes
30 Aye 14 No
15 Aye 26 No
Work / Employment 0% aligned 41 shared votes
26 Aye 15 No
11 Aye 29 No
Benefits 0% aligned 40 shared votes
29 Aye 11 No

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

Voting record

81.6 %
9 % above average
Rank 171 of 649
Participation
62.0 %
11 % below average
Rank 555 of 649
1,920
2,354 eligible divisions
Total votes
1,459
2,354 eligible divisions
879
45.8 % of votes cast
Aye votes
811
55.6 % of votes cast
1,041
54.2 % of votes cast
No votes
648
44.4 % of votes cast
41
2.1 % of votes cast
Against party
1
0.1 % of votes cast
34 years, 3 months
Since 9 Apr 1992
Commons service
21 years, 2 months
Since 5 May 2005

Debates

91
+15.9 vs Commons average
Rank 169 of 649
Appearances
74
-1.1 vs Commons average
Rank 254 of 649
171
+37.7 vs Commons average
Rank 145 of 649
Contributions
114
-19.3 vs Commons average
Rank 243 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
£2,941,443
all imported IPSA years
£265,254
17 % above average
Latest expenses
£294,489
30 % above average
11
3 registered categories
Registered interests
2
2 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
Brexit / EU
167 of 211 votes
Foreign Affairs
63 of 69 votes
#2
Migration
124 of 169 votes
Housing
60 of 66 votes
#3
Housing
48 of 66 votes
Migration
152 of 169 votes
#4
Foreign Affairs
49 of 69 votes
Crime / Justice
198 of 230 votes
#5
Work / Employment
51 of 75 votes

Recent voting overlap

Where they voted differently
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
No
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 4 1 Jul 2026
Energy Tax Transport
No
Aye
National Security (State Threats) Bill Committee: New Clause 3 17 Jun 2026
Defence
No
Aye
National Security (State Threats) Bill Committee: Amendment 13 17 Jun 2026
Defence
No
Aye
National Security (State Threats) Bill Committee: Amendment 8 17 Jun 2026
Defence
No
Aye
National Security (State Threats) Bill Committee: Amendment 3 17 Jun 2026
Defence
No
No
National Security (State Threats) Bill: Allocation of Time motion 17 Jun 2026
Defence
Aye
Aye
Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: Amendment 3 16 Jun 2026
No
Aye
Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: New Clause 14 16 Jun 2026
No
No
Railways Bill: Third Reading 10 Jun 2026
Transport
Aye
Where they voted the same
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Crime and Policing Bill Report Stage: Amendment 160 17 Jun 2025
Crime / Justice
No
Aye
the draft Economic Growth (Regulatory Functions) (Amendment) Order 2024 24 Apr 2024
Aye
No
Motion to sit in private 21 Feb 2024
Tax
No
Aye
Draft Equality Act 2010 (Amendment) Regulations 2023 13 Dec 2023
Aye
Aye
Misuse of Drugs Act 1971 (Amendment) Order 2023 12 Sep 2023
Aye
No
Illegal Migration Bill: motion to disagree with Lords Amendment 56 11 Jul 2023
Migration
No
No
Illegal Migration Bill: Government Amendments (a) and (b) in lieu of Lords Amendments 31, 35 & 36 11 Jul 2023
Migration
No
No
Motion to sit in private 16 Jan 2023
Tax
No
No
Nationality and Borders Bill: Motion to disagree with LA 26B 20 Apr 2022
Migration
No
Member source UK Parliament Members API
Voting source Commons Votes API