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Compare

Siân Berry vs Sir Iain Duncan Smith

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

Photograph of Siân Berry
Siân Berry
Green Brighton Pavilion
vs
Photograph of Sir Iain Duncan Smith
Sir Iain Duncan Smith
Con Chingford and Woodford Green

Voting alignment

Siân Berry and Sir Iain Duncan Smith voted the same way 29% of the time, based on 326 shared comparable votes.

96 same votes 230 different votes 326 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
3 Aye 8 No
Devolution / Local Government 91% aligned 11 shared votes
2 Aye 9 No
4 Aye 4 No
Digital / Online Safety 50% aligned 8 shared votes
2 Aye 6 No
20 Aye 25 No
Crime / Justice 49% aligned 45 shared votes
21 Aye 24 No
12 Aye 15 No
Housing 41% aligned 27 shared votes
8 Aye 19 No
13 Aye 10 No
Defence 35% aligned 23 shared votes
12 Aye 11 No
Most different by topic
3 Aye 2 No
Democracy / Parliament 0% aligned 5 shared votes
2 Aye 3 No
3 Aye 1 No
Foreign Affairs 0% aligned 4 shared votes
1 Aye 3 No
1 Aye 3 No
Migration 0% aligned 4 shared votes
3 Aye 1 No
3 Aye 0 No
Environment / Climate 0% aligned 3 shared votes
0 Aye 3 No
1 Aye 2 No
NHS / Health 0% aligned 3 shared votes
2 Aye 1 No

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

Voting record

79.1 %
6 % above average
Rank 220 of 649
Participation
81.5 %
9 % above average
Rank 173 of 649
455
575 eligible divisions
Total votes
1,925
2,361 eligible divisions
250
54.9 % of votes cast
Aye votes
882
45.8 % of votes cast
205
45.1 % of votes cast
No votes
1,043
54.2 % of votes cast
1
0.2 % of votes cast
Against party
41
2.1 % of votes cast
2 years, 1 months
Since 4 Jul 2024
Commons service
34 years, 3 months
Since 9 Apr 1992

Debates

91
+13.0 vs Commons average
Rank 181 of 649
Appearances
93
+15.0 vs Commons average
Rank 172 of 649
184
+45.5 vs Commons average
Rank 139 of 649
Contributions
171
+32.5 vs Commons average
Rank 152 of 649

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

Financials and interests

£220,854
all imported IPSA years
Lifetime expenses
£2,530,064
all imported IPSA years
£220,854
2 % below average
Latest expenses
£265,254
17 % above average
4
1 registered category
Registered interests
10
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

Housing
31 of 31 votes
#1
Brexit / EU
208 of 211 votes
Democracy / Parliament
10 of 10 votes
#2
Foreign Affairs
63 of 69 votes
Foreign Affairs
4 of 4 votes
#3
Housing
60 of 66 votes
Work / Employment
34 of 39 votes
#4
Migration
153 of 171 votes
Crime / Justice
54 of 62 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
No
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
Aye
Aye
Draft Children’s Wellbeing and Schools Act 2026 (Establishment of Schools) (Consequential Amendments) Regulations 2026 8 Jul 2026
Education
No
Aye
Draft Supply of Machinery (Safety) (Amendment etc.) and the EU Machinery Regulation (Enforcement etc. in Northern Ireland) Regulations 2026 8 Jul 2026
No
Aye
National Security (State Threats) Bill: motion to agree to Lords Amendment 1 6 Jul 2026
Defence
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
Aye
Aye
Draft Climate Change Act 2008 (Credit Limit) Order 2026 24 Jun 2026
Environment / Climate
No
Where they voted the same
No
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
No
Aye
Armed Forces Bill Report Stage: Amendment 11 22 Jun 2026
Defence
Aye
Aye
Armed Forces Bill Report Stage: New Clause 4 22 Jun 2026
Defence
Aye
Aye
National Security (State Threats) Bill Committee: New Clause 3 17 Jun 2026
Defence
Aye
No
National Security (State Threats) Bill: Allocation of Time motion 17 Jun 2026
Defence
No
Aye
Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: Amendment 3 16 Jun 2026
Aye
Aye
Railways Bill Remaining Stages: Amendment 143 10 Jun 2026
Transport
Aye
Aye
Armed Forces Bill Committee: New Clause 5 2 Jun 2026
Defence
Aye
Aye
Armed Forces Bill Committee: New Clause 2 2 Jun 2026
Defence
Aye
Aye
Privilege 28 Apr 2026
Aye
Member source UK Parliament Members API
Voting source Commons Votes API