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Compare

Sir Iain Duncan Smith vs Mr Gregory Campbell

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 Mr Gregory Campbell
Mr Gregory Campbell
DUP East Londonderry

Voting alignment

Sir Iain Duncan Smith and Mr Gregory Campbell voted the same way 82% of the time, based on 1,175 shared comparable votes.

963 same votes 212 different votes 1,175 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
10 Aye 9 No
Work / Employment 100% aligned 19 shared votes
10 Aye 9 No
0 Aye 3 No
Cost of Living 100% aligned 3 shared votes
0 Aye 3 No
14 Aye 20 No
Energy 94% aligned 34 shared votes
16 Aye 18 No
61 Aye 115 No
Brexit / EU 94% aligned 176 shared votes
62 Aye 114 No
53 Aye 92 No
Tax 90% aligned 145 shared votes
62 Aye 83 No
Most different by topic
16 Aye 15 No
Housing 45% aligned 31 shared votes
19 Aye 12 No
20 Aye 22 No
Defence 55% aligned 42 shared votes
27 Aye 15 No
46 Aye 20 No
Migration 61% aligned 66 shared votes
46 Aye 20 No
11 Aye 17 No
Benefits 68% aligned 28 shared votes
14 Aye 14 No
11 Aye 9 No
Environment / Climate 70% aligned 20 shared votes
15 Aye 5 No

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

Voting record

81.5 %
9 % above average
Rank 173 of 649
Participation
58.2 %
14 % below average
Rank 586 of 649
1,925
2,361 eligible divisions
Total votes
1,375
2,361 eligible divisions
882
45.8 % of votes cast
Aye votes
718
52.2 % of votes cast
1,043
54.2 % of votes cast
No votes
657
47.8 % of votes cast
41
2.1 % of votes cast
Against party
3
0.2 % of votes cast
34 years, 4 months
Since 9 Apr 1992
Commons service
25 years, 2 months
Since 7 Jun 2001

Debates

93
+15.1 vs Commons average
Rank 172 of 650
Appearances
150
+72.1 vs Commons average
Rank 54 of 650
171
+32.7 vs Commons average
Rank 152 of 650
Contributions
164
+25.7 vs Commons average
Rank 163 of 650

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

Financials and interests

£2,530,064
all imported IPSA years
Lifetime expenses
£2,367,379
all imported IPSA years
£265,254
17 % above average
Latest expenses
£180,776
20 % below average
10
3 registered categories
Registered interests
3
3 registered categories
6
matched sponsored bills
Sponsored bills
0
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
179 of 211 votes
Foreign Affairs
63 of 69 votes
#2
Foreign Affairs
53 of 69 votes
Housing
60 of 66 votes
#3
Trade
68 of 91 votes
Migration
153 of 171 votes
#4
Defence
50 of 71 votes
Crime / Justice
198 of 230 votes
#5
Education
67 of 96 votes

Recent voting overlap

Where they voted differently
Aye
Steel Industry (Nationalisation) Bill Committee: Amendment 12 8 Jun 2026
No
Aye
Sentencing Bill Committee: New Clause 6 21 Oct 2025
Crime / Justice
No
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 64 8 Sep 2025
Housing
Aye
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 53 8 Sep 2025
Housing
Aye
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 26 8 Sep 2025
Housing
Aye
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 19 8 Sep 2025
Housing
Aye
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 18 8 Sep 2025
Housing
Aye
No
Renters’ Rights Bill: Motion to disagree with Lords Amendment 11 8 Sep 2025
Housing
Aye
Aye
Crime and Policing Bill Report Stage: New Clause 88 18 Jun 2025
Crime / Justice
No
No
Crime and Policing Bill Report Stage: Amendment 160 17 Jun 2025
Crime / Justice
Aye
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
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
No
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
No
Aye
Opposition Day: Puberty blockers 23 Jun 2026
Aye
Member source UK Parliament Members API
Voting source Commons Votes API