Compare

Sir Iain Duncan Smith vs Dr Simon Opher

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 Dr Simon Opher
Dr Simon Opher
Lab Stroud

Voting alignment

Sir Iain Duncan Smith and Dr Simon Opher voted the same way 2% of the time, based on 327 shared comparable votes.

7 same votes 320 different votes 327 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
5 Aye 8 No
Benefits 23% aligned 13 shared votes
5 Aye 8 No
3 Aye 4 No
Migration 14% aligned 7 shared votes
3 Aye 4 No
22 Aye 15 No
Crime / Justice 5% aligned 37 shared votes
13 Aye 24 No
26 Aye 48 No
Tax 0% aligned 74 shared votes
48 Aye 26 No
9 Aye 21 No
Education 0% aligned 30 shared votes
21 Aye 9 No
Most different by topic
26 Aye 48 No
Tax 0% aligned 74 shared votes
48 Aye 26 No
9 Aye 21 No
Education 0% aligned 30 shared votes
21 Aye 9 No
14 Aye 11 No
Defence 0% aligned 25 shared votes
11 Aye 14 No
7 Aye 17 No
Housing 0% aligned 24 shared votes
17 Aye 7 No
11 Aye 6 No
Transport 0% aligned 17 shared votes
6 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 650
Participation
79.6 %
7 % above average
Rank 215 of 650
1,913
2,344 eligible divisions
Total votes
444
558 eligible divisions
876
45.8 % of votes cast
Aye votes
211
47.5 % of votes cast
1,037
54.2 % of votes cast
No votes
233
52.5 % of votes cast
41
2.1 % of votes cast
Against party
7
1.6 % of votes cast
34 years, 2 months
Since 9 Apr 1992
Commons service
1 years, 11 months
Since 4 Jul 2024

Debates

85
+14.9 vs Commons average
Rank 165 of 650
Appearances
38
-32.1 vs Commons average
Rank 478 of 650
161
+36.5 vs Commons average
Rank 144 of 650
Contributions
58
-66.5 vs Commons average
Rank 445 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
£204,255
all imported IPSA years
£265,254
17 % above average
Latest expenses
£204,255
10 % below average
11
3 registered categories
Registered interests
9
4 registered categories
6
matched sponsored bills
Sponsored bills
1
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
Devolution / Local Government
24 of 24 votes
Foreign Affairs
63 of 69 votes
#2
NHS / Health
11 of 11 votes
Housing
60 of 66 votes
#3
Trade
5 of 5 votes
Migration
152 of 169 votes
#4
Foreign Affairs
4 of 4 votes
Crime / Justice
197 of 229 votes
#5
Defence
32 of 33 votes

Recent voting overlap

Where they voted differently
No
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
Aye
Aye
Opposition Day: Puberty blockers 23 Jun 2026
No
No
Opposition Day Motion: Defence spending and readiness - Prime Minister's Amendment 23 Jun 2026
Defence
Aye
Aye
Opposition day: Defence spending and readiness 23 Jun 2026
Defence
No
Aye
Armed Forces Bill Report Stage: Amendment 11 22 Jun 2026
Defence
No
Aye
Armed Forces Bill Report Stage: New Clause 11 22 Jun 2026
Defence
No
Aye
Armed Forces Bill Report Stage: New Clause 4 22 Jun 2026
Defence
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
Where they voted the same
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
Universal Credit and Personal Independence Payment Bill: Third Reading 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill Committee: Amendment 39 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill: Second Reading 1 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
Member source UK Parliament Members API
Voting source Commons Votes API