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Compare

John McDonnell vs Sir Iain Duncan Smith

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

Photograph of John McDonnell
John McDonnell
Lab Hayes and Harlington
vs
Photograph of Sir Iain Duncan Smith
Sir Iain Duncan Smith
Con Chingford and Woodford Green

Voting alignment

John McDonnell and Sir Iain Duncan Smith voted the same way 4% of the time, based on 1,556 shared comparable votes.

66 same votes 1,490 different votes 1,556 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
40 Aye 17 No
Education 9% aligned 57 shared votes
12 Aye 45 No
26 Aye 9 No
Digital / Online Safety 9% aligned 35 shared votes
10 Aye 25 No
33 Aye 33 No
Trade 8% aligned 66 shared votes
30 Aye 36 No
35 Aye 101 No
Migration 4% aligned 136 shared votes
97 Aye 39 No
26 Aye 22 No
Housing 4% aligned 48 shared votes
24 Aye 24 No
Most different by topic
34 Aye 23 No
Foreign Affairs 0% aligned 57 shared votes
23 Aye 34 No
29 Aye 24 No
Work / Employment 0% aligned 53 shared votes
24 Aye 29 No
28 Aye 24 No
Defence 0% aligned 52 shared votes
24 Aye 28 No
27 Aye 16 No
Energy 0% aligned 43 shared votes
16 Aye 27 No
13 Aye 24 No
Devolution / Local Government 0% aligned 37 shared votes
24 Aye 13 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 222 of 649
Participation
81.5 %
9 % above average
Rank 173 of 649
1,867
2,361 eligible divisions
Total votes
1,925
2,361 eligible divisions
1,017
54.5 % of votes cast
Aye votes
882
45.8 % of votes cast
850
45.5 % of votes cast
No votes
1,043
54.2 % of votes cast
24
1.3 % of votes cast
Against party
41
2.1 % of votes cast
29 years, 3 months
Since 1 May 1997
Commons service
34 years, 4 months
Since 9 Apr 1992

Debates

115
+37.1 vs Commons average
Rank 104 of 650
Appearances
93
+15.1 vs Commons average
Rank 172 of 650
146
+7.7 vs Commons average
Rank 189 of 650
Contributions
171
+32.7 vs Commons average
Rank 152 of 650

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

Financials and interests

£2,684,777
all imported IPSA years
Lifetime expenses
£2,530,064
all imported IPSA years
£269,647
19 % above average
Latest expenses
£265,254
17 % above average
4
1 registered category
Registered interests
10
3 registered categories
6
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

Foreign Affairs
63 of 69 votes
#1
Brexit / EU
208 of 211 votes
Work / Employment
70 of 77 votes
#2
Foreign Affairs
63 of 69 votes
Environment / Climate
43 of 48 votes
#3
Housing
60 of 66 votes
Migration
153 of 171 votes
#4
Migration
153 of 171 votes
Defence
63 of 71 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
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 4 1 Jul 2026
Energy Tax Transport
Aye
Where they voted the same
No
Draft Town and Country Planning (Discharge of Local Planning Authority Functions) (England) Regulations 2026 8 Jul 2026
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
Aye
Privilege 28 Apr 2026
Aye
No
Children's Wellbeing and Schools Bill: motion to insist on Amendment 38J and disagree with Lords Amendments 38V to 38X 22 Apr 2026
Education
No
No
Children's Wellbeing and Schools Bill: Amendments (a) to (c) in lieu of Lords Amendment 106 15 Apr 2026
Education
No
No
Children's Wellbeing and Schools Bill: Amendments (a) to (f) in lieu of Lords Amendment 38 15 Apr 2026
Education
No
No
Courts and Tribunals Bill: Second Reading 10 Mar 2026
Crime / Justice
No
Aye
Courts and Tribunals Bill: Reasoned Amendment to Second Reading 10 Mar 2026
Crime / Justice
Aye
No
Children's Wellbeing and Schools Bill: motion to disagree with Lords Amendment 106 9 Mar 2026
Education
No
No
Children's Wellbeing and Schools Bill: motion to disagree with Lords Amendment 38 9 Mar 2026
Education
No
Member source UK Parliament Members API
Voting source Commons Votes API