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

Argenteuil—La Petite-Nation

Federal riding · Quebec

Forecast of October 15, 2026

Our forecast gives the Liberal Party a more than 99% chance of winning, with an average lead of 20.9 points.

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

Projected vote share

Projection by party

  • Liberal 47.6%
  • Conservative 26.6%
  • Bloc 22.5%
  • NDP 3.7%
  • Green 2.1%
  • PPC 1.9%

Thin vertical mark: 2025 result.

Compared with the average

Liberal Conservative Bloc NDP
Argenteuil—La Petite-Nation 47.6%26.6%22.5%3.7%
Provincial averageQuebec 43.6%+4.0 24.2%+2.4 27.3%−4.8 5.7%−2.0
National averageCanada 47.0%+0.6 30.4%−3.8 6.3%+16.2 11.8%−8.1

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 89.4%
  • English 9.8%
  • Other languages 0.8%

Source: Statistics Canada, 2021 Census (single responses)

Current member

Stéphane Lauzon · Liberal

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

Previous election (2025)

The Liberal Party won by 22.4 points, with 64.6% turnout.

Our current projection: the Liberal Party ahead by 20.9 points.

Candidates and votes in 2025

Candidate Party Votes % Occupation
Stéphane Lauzon Elected Liberal 28,124 46.8 Parliamentarian
Martin Charron Conservative 14,697 24.5 Self-Employed
Martin Héroux Bloc 13,520 22.5 Comedian
Michel Welt NDP 1,499 2.5 Medical Doctor
Bertha Fuchsman-Small Green 807 1.3 Retired
Lindsey Therrien PPC 586 1.0 Public Servant
Other candidates 823 1.4

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