Riding profile

Derby South

UK constituency — England · Urban · east midlands

The question

Derby South: who wins this toss-up?

Current forecast

Reform UK

Toss-up

Probability
100%
Mean margin (pts)
4.9
P(close race)
100%

Projected vote share

Projection by party

  • Reform UK 30.1%
  • Labour 25.3%
  • Other 13.1%
  • Conservative 13.1%
  • Green 12.3%
  • Lib Dems 5.8%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. Birmingham ErdingtonReform UK60 %0.5 pt margin
  2. Derby NorthLabour62 %0.5 pt margin
  3. Middlesbrough and Thornaby EastReform UK62 %0.5 pt margin

In context

How this riding stacks up

Reform UK Labour Other Conservative
HereDerby South 30.1%25.3%13.1%13.1%
National averageUnited Kingdom 25.4% +4.7 21.8% +3.4 5.0% +8.1 19.3% −6.2

Nationwide averages computed across the 650 riding-level projections (unweighted mean).

Editorial read

Derby South, an urban constituency in England, elected a member with Labour in the previous cycle, with a 16-point margin. The Vote-Scope model projects Reform UK ahead at 30% vote share, against 25% for Labour, and the race could swing.

Sitting member

Baggy Shanker

Sits with Labour

Since
2024-07-04
Parliament
59th

Previous election · 2024

Won by
Labour
Margin
16.1 pts
Margin shift vs current projection
-11.2 pts

Detailed result · UK 2024

Candidates and votes

Candidate Party Votes % Occupation
Baggy Shanker Elected Labour 14,503 38.8
Alan Graves Reform UK 8,501 22.7
Chris Williamson Other 5,205 13.9
Jamie Mulhall Conservative 5,192 13.9
Sam Ward Green 1,899 5.1
Joe Naitta Lib Dems 1,807 4.8
Zephyr Tair Other 292 0.8

Demographics

Who lives here

Population
119,588
Median age
35
Employment rate
73.1%

Data source : ONS mid-2022 population + Jan 2026 labour market

Last model run
Cycle
uk_2029