Canada's Liberal Prime Minister Justin Trudeau and his wife Sophie Gregoire wait a polling station to vote in the federal election in the Papineau riding of Montreal, Quebec, Canada September 20, 2021.

People enter a polling station to vote in Canada's federal election in Montreal, Quebec, Canada September 20, 2021.

Special ballot officers count ballots from national, international, Canadian Forces and incarcerated electors that were received by mail during the federal election in Ottawa, Ontario, Canada, September 20, 2021.

People await results at the Conservative election night party at the Conservative Party headquaters, in Oshawa, Ontario, Canada September 20, 2021.

A woman arrives at the only polling station in the Lower North Shore town of Blanc Sablon, Quebec, Canada September 20, 2021 near the Labrador border.

Canada's opposition Conservative Party leader Erin O'Toole and his wife Rebecca cast their ballots for the federal election, in Bowmanville, Ontario, Canada September 20, 2021. Adrian Wyld/Pool via REUTERS

People await results at the Conservative election night party at the Conservative Party headquaters, in Oshawa, Ontario, Canada September 20, 2021.

Special ballot officers count ballots from national, international, Canadian Forces and incarcerated electors that were received by mail during the federal election in Ottawa, Ontario, Canada, September 20, 2021.

A special ballot officer counts ballots from national, international, Canadian Forces and incarcerated electors that were received by mail during the federal election in Ottawa, Ontario, Canada, September 20, 2021.

Information officer at a polling station Rody Yehia adjusts a sign during Canada's federal election, in Kingston, Ontario, Canada September 20, 2021.

Canada's Liberal Prime Minister Justin Trudeau stands by a polling station before voting with his son Hadrien, his daughter Ella-Grace and his son Xavier on election day, in Montreal, Quebec, Canada September 20, 2021.

Conservative party leader Erin O'Toole watches early election results in Oshawa, Ontario, Canada, September 20, 2021.

Conservative party leader Erin O'Toole along with wife Rebecca and children Jack and Mollie, watch early election results in Oshawa, Ontario, Canada, September 20, 2021.

People line up outside a polling station to vote in Canada's federal election, in Toronto, Ontario, Canada September 20, 2021.

People queue to vote outside polling station during Canada's federal election, in Kingston, Ontario, Canada September 20, 2021.

A cage holding ballots is seen as special ballot officers count ballots from national, international, Canadian Forces and incarcerated electors that were received by mail during the federal election in Ottawa, Canada, September 20, 2021.

Canada's Liberal Prime Minister Justin Trudeau casts his ballot with his son Hadrien next to his daughter Ella-Grace and his son Xavier on election day, in Montreal, Quebec, Canada September 20, 2021.

A voting station and a coronavirus disease (COVID-19) vaccine clinic signs are pictured during Canada's federal election, in Kingston, Ontario, Canada September 20, 2021.

Canada's Liberal Prime Minister Justin Trudeau, accompanied by his wife Sophie Gregoire and his children Ella-Grace, Xavier and Hadrien watch the election coverage on a TV, in Montreal, Quebec, Canada, September 20, 2021.

Special ballot officers count ballots from national, international, Canadian Forces and incarcerated electors that were received by mail during the federal election in Ottawa, Ontario, Canada, September 20, 2021.

People line up outside a polling station to vote in Canada's federal election, in Toronto, Ontario, Canada September 20, 2021.