42nd Canadian Parliament

42nd Canadian Parliament
Majority parliament
Dec. 3, 2015 – Sep. 11, 2019
Canadian Parliament (2017)
Parliament leaders
Prime
minister
Rt. Hon. Justin Trudeau
Nov. 4, 2015 – Mar. 14, 2025
Cabinet29th Canadian Ministry
Leader of the
Opposition
Hon. Rona Ambrose
5 November 2015 – 27 May 2017
Hon. Andrew Scheer
27 May 2017 – 24 August 2020
Party caucuses
GovernmentLiberal Party
OppositionConservative Party
RecognizedNew Democratic Party
Independent Senators Group*
Senate Liberal Caucus*
UnrecognizedQuébec debout (June – Sept. 2018)
Bloc Québécois
Green Party
Co-operative Commonwealth
People's Party
* Only in the Senate.
House of Commons

Seating arrangements of the House of Commons
Speaker of the
Commons
Hon. Geoff Regan
3 December 2015 – 5 December 2019
Government
House leader
Hon. Dominic LeBlanc
4 November 2015 – 19 August 2016
Hon. Bardish Chagger
19 August 2016 – 20 November 2019
Opposition
House leader
Hon. Andrew Scheer
18 November 2015 – 15 September 2016
Hon. Candice Bergen
15 September 2016 – 24 August 2020
Members338 MP seats
List of members
Senate

Seating arrangements of the Senate
Speaker of the
Senate
Hon. George Furey
3 December 2015 – 12 May 2023
Government
Senate rep.
Hon. Peter Harder
18 March 2016 – 31 December 2019
Opposition
Senate leader
Hon. Claude Carignan
4 November 2015 – 31 March 2017
Hon. Larry Smith
1 April 2017 – 5 November 2019
Senators105 senator seats
List of senators
Sovereign
MonarchHM Elizabeth II
6 February 1952 – 8 September 2022
Governor
general
HE Rt. Hon. David Johnston
1 October 2010 – 2 October 2017
HE Rt. Hon. Julie Payette
2 October 2017 – 22 January 2021
Sessions
1st session
3 December 2015 – 11 September 2019
← 41st → 43rd

The 42nd Canadian Parliament was in session from December 3, 2015, to September 11, 2019, with the membership of its lower chamber, the House of Commons of Canada, having been determined by the results of the 2015 federal election held on October 19, 2015, and thirty new appointees to its Upper House, the Senate of Canada. It was dissolved prior to the 2019 Federal Election.

There was one sessions of the 42nd Parliament:

Session Start End
1st December 3, 2015 September 11, 2019