Ontario CCF/NDP leadership elections

The Ontario New Democratic Party elects its leaders by secret ballot of the party members and/or their delegates at leadership elections, as did its predecessor, the Co-operative Commonwealth Federation (Ontario Section). The party leader can be challenged for the leadership at the party's biennial convention. The Ontario New Democratic Party is a social democratic political party in Ontario, Canada.

Ontario CCF leadership convention, 1942

(Held on April 3, 1942.)

• Ted Jolliffe
• Murray Cotterill

(Note: The vote totals do not appear to have been announced.)

Ontario CCF leadership challenge, 1946

(Held November 23, 1946)

• Ted Jolliffe
• Lewis Duncan

Ontario CCF leadership convention, 1953

(Held on November 21, 1953.)

First Ballot

Candidate	Votes	Percentage
Fred Young	154	43.2
Donald C. MacDonald	127	35.6
Andrew Brewin	75	21.0
Total	356	100

Second Ballot

Candidate	Votes	Percentage	+/-
Donald C. MacDonald	181	50.8	+15.2
Fred Young	175	49.2	+6.0
Total	356	100

(Note: These totals are taken from an interview with Donald C. MacDonald several years after the convention. They do not appear to have been announced at the convention itself.)

Ontario NDP leadership convention, 1961

(Held on October 8, 1961.)

• MACDONALD, Donald C. acclaimed

Ontario NDP leadership challenge, 1968

(Held on November 17, 1968 in Kitchener, Ontario.)

Candidate	Votes	Percentage
Donald C. MacDonald	859	69.9
James Alexander Renwick	370	30.1
Total	1,229	100

Ontario NDP leadership convention, 1970

(Held on October 4, 1970.)

Candidate	Votes	Percentage
Stephen Lewis	1,188	64.1
Walter Pitman	642	34.7
Douglas Campbell	21	1.1
Total	1,851	100

Ontario NDP leadership challenge, 1972

(Held on December 10, 1972 in Toronto, Ontario.)

Candidate	Votes	Percentage
Stephen Lewis	752	85.8
Douglas Campbell	124	14.1
Total	876	100

An additional 137 ballots were spoiled. If the spoiled votes are factored in then Lewis received 74.2% support overall

Ontario NDP leadership convention, 1978

(Held on February 5, 1978.)

First Ballot

Candidate	Votes	Percentage
Michael Cassidy	675	37.6
Ian Deans	623	34.7
Michael Breaugh	499	27.8
Total	1,797	100

Breaugh eliminated, goes to Cassidy

Second Ballot

Candidate	Votes	Percentage	+/-
Michael Cassidy	980	54.8	+17.2
Ian Deans	809	45.2	+10.6
Total	1,789	100

Ontario NDP leadership convention, 1982

Main article: Ontario New Democratic Party leadership election, 1982

(Held on February 7, 1982.)

Candidate	Votes	Percentage
Bob Rae	1,356	64.6
Richard Johnston	512	24.4
Jim Foulds	232	11.0
Total	2,100	100

Ontario NDP leadership challenge, 1986

(Held on June 22, 1986 in Hamilton, Ontario.)

Candidate	Votes	Percentage
Bob Rae	776	95.3
Ian Orenstein	38	4.7
Total	814	100

Ontario NDP leadership convention, 1996

Main article: Ontario New Democratic Party leadership election, 1996

(Held on June 22, 1996 in Hamilton, Ontario.)

After the first ballot, Silipo was eliminated and he endorsed Hampton. After the 2nd ballot, Kormos was eliminated but he endorsed noone and released his delegates. There were eighty spoiled ballots on the final count, mostly from disgruntled supporters of Kormos.

Ballot results

Delegate support by ballot

Candidate	1st ballot		2nd ballot		3rd ballot
Name	Votes cast	%	Votes cast	%	Votes cast	%
Howard Hampton	649	33.7	806	43.4	971	55.0
Frances Lankin	611	31.7	691	36.3	793	45.0
Peter Kormos	434	22.5	402	21.1
Tony Silipo	232	12.0
Total	1,926	100.0	1,899	100.0	1,764	100.0

Ontario NDP leadership election, 2009

Main article: Ontario New Democratic Party leadership election, 2009

(Held on March 7, 2009, in Hamilton, Ontario)

First Ballot

Candidate	Weighted Votes	Percentage
Andrea Horwath	4,625.29	37.1
Peter Tabuns	3,437.93	27.6
Gilles Bisson	2,954.23	23.7
Michael Prue	1,438.44	11.5
Total	12,455.89	100

Prue eliminated, endorses Bisson

Second Ballot

Candidate	Weighted Votes	Percentage	+/-
Andrea Horwath	5,259.06	43.6	+6.5
Peter Tabuns	3,819.82	31.7	+4.1
Gilles Bisson	2,988.12	24.8	+1.1
Total	12,067	100.0

Bisson eliminated, endorses Horwath

Third Ballot

Candidate	Weighted Votes	Percentage	+/-
Andrea Horwath	6,732.34	60.4	+16.8
Peter Tabuns	4,420.66	39.6	+7.9
Total	11,152.9	100.0

Starting with the 2009 leadership election, the Ontario NDP instituted a modified one member one vote system in which the vote is calculated so that ballots cast by labour delegates have 25% weight in the total result, while votes cast by party members have a weight of 75% in the overall result.