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Compare

John McDonnell vs Bob Blackman

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 Bob Blackman
Bob Blackman
Con Harrow East

Voting alignment

John McDonnell and Bob Blackman voted the same way 4% of the time, based on 1,655 shared comparable votes.

68 same votes 1,587 different votes 1,655 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
24 Aye 17 No
NHS / Health 12% aligned 41 shared votes
20 Aye 21 No
47 Aye 22 No
Education 9% aligned 69 shared votes
18 Aye 51 No
37 Aye 36 No
Trade 7% aligned 73 shared votes
33 Aye 40 No
14 Aye 21 No
Housing 6% aligned 35 shared votes
23 Aye 12 No
31 Aye 11 No
Digital / Online Safety 5% aligned 42 shared votes
11 Aye 31 No
Most different by topic
36 Aye 106 No
Migration 0% aligned 142 shared votes
106 Aye 36 No
39 Aye 24 No
Foreign Affairs 0% aligned 63 shared votes
24 Aye 39 No
29 Aye 32 No
Work / Employment 0% aligned 61 shared votes
32 Aye 29 No
31 Aye 28 No
Defence 0% aligned 59 shared votes
28 Aye 31 No
21 Aye 25 No
Devolution / Local Government 0% aligned 46 shared votes
25 Aye 21 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
87.8 %
15 % above average
Rank 50 of 649
1,867
2,361 eligible divisions
Total votes
2,072
2,361 eligible divisions
1,017
54.5 % of votes cast
Aye votes
972
46.9 % of votes cast
850
45.5 % of votes cast
No votes
1,100
53.1 % of votes cast
24
1.3 % of votes cast
Against party
54
2.6 % of votes cast
29 years, 3 months
Since 1 May 1997
Commons service
16 years, 3 months
Since 6 May 2010

Debates

115
+37.1 vs Commons average
Rank 104 of 650
Appearances
146
+68.1 vs Commons average
Rank 61 of 650
146
+7.7 vs Commons average
Rank 189 of 650
Contributions
173
+34.7 vs Commons average
Rank 151 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
£3,032,116
all imported IPSA years
£269,647
19 % above average
Latest expenses
£312,612
38 % above average
4
1 registered category
Registered interests
9
6 registered categories
6
matched sponsored bills
Sponsored bills
8
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
211 of 211 votes
Work / Employment
70 of 77 votes
#2
Foreign Affairs
69 of 69 votes
Environment / Climate
43 of 48 votes
#3
Trade
87 of 91 votes
Migration
153 of 171 votes
#4
Defence
66 of 71 votes
Defence
63 of 71 votes
#5
Digital / Online Safety
55 of 60 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
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
Aye
Draft Climate Change Act 2008 (Credit Limit) Order 2026 24 Jun 2026
Environment / Climate
No
Aye
Draft Climate Change Act 2008 (International Aviation and International Shipping) Regulations 2026 24 Jun 2026
Environment / Climate Transport
No
Aye
Draft Carbon Budget Order 2026 24 Jun 2026
Environment / Climate
No
Aye
Customs (Tariff and Miscellaneous Amendments) (No. 4) Regulations 2026 24 Jun 2026
Trade
No
No
Opposition Day: Puberty blockers 23 Jun 2026
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
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
No
Universal Credit and Personal Independence Payment Bill: Third Reading 9 Jul 2025
Benefits
No
Member source UK Parliament Members API
Voting source Commons Votes API