Thursday, October 15, 2026
B.C. votes in 9 days

Ottawa South

Federal riding · Ontario · Ottawa region

Forecast of October 15, 2026

Our forecast gives the Liberal Party a more than 99% chance of winning, with an average lead of 46.5 points.

Safe seat. Chance of a final gap under 5 points: under 1%.

Projected vote share

Projection by party

  • Liberal 64.6%
  • Conservative 18.1%
  • NDP 5.5%
  • Green 1.6%
  • PPC 1.2%

Thin vertical mark: 2025 result.

Compared with the average

Liberal Conservative NDP Green
Ottawa South 64.6%18.1%5.5%1.6%
Provincial averageOntario 48.6%+16.0 34.4%−16.3 5.4%+0.1 1.8%−0.2
National averageCanada 47.0%+17.6 30.4%−12.3 11.8%−6.3 2.4%−0.8

Simple average of the 343 ridings, not weighted by population.

Projection track

How the projection has moved

Local profile

Language spoken most often at home
  • French 7.4%
  • English 72.8%
  • Other languages 19.8%

Source: Statistics Canada, 2021 Census (single responses)

Current member

David McGuinty · Liberal

In office since April 28, 2025. 45th Parliament.

Previous election (2025)

The Liberal Party won by 37.8 points, with 69.2% turnout.

Our current projection: the Liberal Party ahead by 46.5 points.

Candidates and votes in 2025

Candidate Party Votes % Occupation
David McGuinty Elected Liberal 43,388 64.7 Parliamentarian
Blair Turner Conservative 18,010 26.9 Police Officer
Hena Masjedee NDP 4,017 6.0 Federal Public Servant
Nira Dookeran Green 642 1.0 Retired
Alex Perrier Other 259 0.4 Grocery Clerk
William Cooper Other 155 0.2 Small Business Owner
John Redins Other 93 0.1 50
Other candidates 507 0.8

Nearby ridings

Party ahead and how sure the projection is.

Watch list

The tightest races

The smallest projected gaps between the top two.

  1. Central NewfoundlandLiberal66%1.2-point gap
  2. Niagara WestConservative53%1.2-point gap
  3. Windsor WestConservative56%1.3-point gap
Forecast updated