2015 Canadian federal election

The **2015 Canadian federal election** (formally the **42nd Canadian general election**) was held on October 19, 2015, to elect members to the House of Commons of the 42nd Canadian Parliament and the Prime Minister of Canada. The 2015 election were issued by Governor General David Johnston on August 4.

The election was one of the longest in Canadian history. It was also the first time since the 1979 election that a Prime Minister attempted to remain in office into a fourth consecutive Parliament and the first time since the 1980 election that someone attempted to win a fourth term of any kind as Prime Minister.

The Liberal Party, led by Justin Trudeau, won 184 seats, allowing it to form a majority government with Trudeau becoming the next Prime Minister. Trudeau was sworn in on November 4, 2015.

## Results

|colspan="10"|↓|||||||||
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|style="background:; width:54.43%;"|184|style="background:; width:29.29%;"|99|style="background:; width:13.02%;"|44|style="background:; width:2.95%;"|10|style="background:; width:0.30%;"|1|
|colspan=2|Party|colspan=3|Votes|Seats|
| --- | --- | --- | --- | --- |
|6,943,276|39.5%|20.6%|style="text-align:center;"||
|5,613,614|31.9%|7.7%|style="text-align:center;"||
|3,470,350|19.7%|10.9%|style="text-align:center;"||
|821,144|4.7%|1.2%|style="text-align:center;"||
|602,944|3.4%|0.5%|style="text-align:center;"||

## Infobox (election)

- **election name**: 2015 Canadian federal election
- **country**: Canada
- **type**: parliamentary
- **ongoing**: no
- **party colour**: no
- **party name**: no
- **previous election**: 2011 Canadian federal election
- **previous year**: 2011
- **next election**: 2019 Canadian federal election
- **next year**: 2019
- **seats for election**: All List of Canadian federal electoral districts, 338 seats in the House of Commons of Canada, House of Commons
- **majority seats**: 170
- **previous mps**: List of House members of the 41st Parliament of Canada
- **elected mps**: List of House members of the 42nd Parliament of Canada
- **opinion polls**: Opinion polling in the Canadian federal election, 2015
- **image1**: Justin Trudeau APEC 2015 (cropped).jpg
- **image1 size**: 170x170px
- **leader1**: Justin Trudeau
- **leader since1**: 2013 Liberal Party of Canada leadership election, April 14, 2013
- **leaders seat1**: Papineau (electoral district), Papineau
- **last election1**: 34 seats, 18.91%
- **seats before1**: 36
- **seats1**: **184**
- **seat change1**: 148
- **popular vote1**: **6,943,276**
- **percentage1**: **39.47%**
- **swing1**: 20.56percentage points, pp
- **image2**: Stephen Harper 2014 (cropped).jpg
- **image2 size**: 170x170px
- **leader2**: Stephen Harper
- **leader since2**: 2004 Conservative Party of Canada leadership election, March 20, 2004
- **leaders seat2**: Calgary Heritage
- **last election2**: 166 seats, 39.62%
- **seats before2**: 159
- **seats2**: 99
- **seat change2**: 60
- **popular vote2**: 5,613,614
- **percentage2**: 31.89%
- **swing2**: 7.73percentage points, pp
- **image3**: Thomas Mulcair 2015 (cropped).jpg
- **image3 size**: 170x170px
- **leader3**: Thomas Mulcair
- **leaders seat3**: Outremont (electoral district), Outremont
- **leader since3**: 2012 New Democratic Party leadership election, March 24, 2012
- **last election3**: 103 seats, 30.63%
- **seats before3**: 95
- **seats3**: 44
- **seat change3**: 51
- **popular vote3**: 3,470,350
- **percentage3**: 19.71%
- **swing3**: 10.92percentage points, pp
- **image4**: Gilles Duceppe 2011 (cropped).jpg
- **image4 size**: 170x170px
- **leader4**: Gilles Duceppe
- **leaders seat4**: _Ran in Laurier—Sainte-Marie (lost)_
- **leader since4**: Bloc Québécois#Return of Duceppe, June 10, 2015
- **last election4**: 4 seats, 6.04%
- **seats before4**: 2
- **seats4**: 10
- **seat change4**: 8
- **popular vote4**: 821,144
- **percentage4**: 4.66%
- **swing4**: 1.38percentage points, pp
- **image5**: Elizabeth May 2014 (cropped).jpg
- **image5 size**: 170x170px
- **leader5**: Elizabeth May
- **leader since5**: 2006 Green Party of Canada leadership election, August 27, 2006
- **leaders seat5**: Saanich—Gulf Islands
- **last election5**: 1 seat, 3.91%
- **seats before5**: 2
- **seats5**: 1
- **seat change5**: 1
- **popular vote5**: 602,944
- **percentage5**: 3.45%
- **swing5**: 0.46percentage points, pp
- **map image**: Canada 2015 Federal Election.svg
- **map caption**: Popular vote by province, with graphs indicating the number of seats won within that province. (Because seats are awarded by the popular vote in each riding, the provincial popular vote does not necessarily translate to more seats.)
- **title**: Prime Minister of Canada, Prime Minister
- **before election**: Stephen Harper
- **posttitle**: Prime Minister after election
- **after election**: Justin Trudeau