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Compare

Sir Iain Duncan Smith vs Carolyn Harris

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 Carolyn Harris
Carolyn Harris
Lab Neath and Swansea East

Voting alignment

Sir Iain Duncan Smith and Carolyn Harris voted the same way 4% of the time, based on 1,487 shared comparable votes.

60 same votes 1,427 different votes 1,487 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
29 Aye 36 No
Trade 8% aligned 65 shared votes
35 Aye 30 No
84 Aye 38 No
Migration 7% aligned 122 shared votes
34 Aye 88 No
18 Aye 31 No
Benefits 4% aligned 49 shared votes
29 Aye 20 No
61 Aye 111 No
Brexit / EU 4% aligned 172 shared votes
110 Aye 62 No
13 Aye 14 No
NHS / Health 4% aligned 27 shared votes
15 Aye 12 No
Most different by topic
33 Aye 31 No
Transport 0% aligned 64 shared votes
31 Aye 33 No
14 Aye 43 No
Education 0% aligned 57 shared votes
43 Aye 14 No
21 Aye 36 No
Foreign Affairs 0% aligned 57 shared votes
36 Aye 21 No
20 Aye 30 No
Work / Employment 0% aligned 50 shared votes
30 Aye 20 No
22 Aye 24 No
Defence 0% aligned 46 shared votes
24 Aye 22 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
75.1%
3% above average
Rank 308 of 649
1,935
2,376 eligible divisions
Total votes
1,785
2,376 eligible divisions
887
45.8% of votes cast
Aye votes
1,025
57.4% of votes cast
1,048
54.2% of votes cast
No votes
760
42.6% of votes cast
41
2.1% of votes cast
Against party
2
0.1% of votes cast
34 years, 5 months
Since 9 Apr 1992
Commons service
11 years, 5 months
Since 7 May 2015

Debates

99
+15.3 vs Commons average
Rank 174 of 649
Appearances
49
-34.7 vs Commons average
Rank 461 of 649
171
+25.1 vs Commons average
Rank 170 of 649
Contributions
29
-116.9 vs Commons average
Rank 582 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
£2,394,912
all imported IPSA years
£265,254
17% above average
Latest expenses
£305,970
35% above average
9
3 registered categories
Registered interests
6
3 registered categories
6
matched sponsored bills
Sponsored bills
3
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
Foreign Affairs
62 of 69 votes
Foreign Affairs
63 of 69 votes
#2
Environment / Climate
42 of 48 votes
Housing
60 of 67 votes
#3
Education
83 of 96 votes
Migration
153 of 171 votes
#4
Work / Employment
66 of 77 votes
Crime / Justice
198 of 230 votes
#5
Devolution / Local Government
55 of 66 votes

Recent voting overlap

Where they voted differently
No
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
Aye
No
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
Aye
No
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
Aye
Aye
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
No
Aye
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
No
Aye
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
No
No
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026 8 Jul 2026
Education
Aye
No
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
Aye
No
National Security (State Threats) Bill: motion to agree to Lords Amendment 1 6 Jul 2026
Defence
Aye
Aye
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
No
Where they voted the same
No
Crime and Policing Bill: motion to disagree with Lords Amendment 333 14 Apr 2026
Crime / Justice
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
Border Security, Asylum and Immigration Bill Report Stage: New Clause 21 12 May 2025
Migration
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
No
Illegal Migration Bill: motion to disagree with Lords Amendment 102B 17 Jul 2023
Migration
No
No
Illegal Migration Bill: motion to disagree with Lords Amendment 56B 17 Jul 2023
Migration
No
Aye
Adjournment (Summer, Conference and Christmas Recess) 12 Jul 2023
Aye
Member source UK Parliament Members API
Voting source Commons Votes API