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.)

• JOLLIFFE, Edward winner
• COTTERILL, Murray

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

Ontario CCF leadership challenge, 1946

(Held November 23, 1946)

• JOLLIFFE, Edward winner
• DUNCAN, Lewis

Ontario CCF leadership convention, 1953

(Held on November 21, 1953.)

First Ballot

Candidate	Votes	Percentage
YOUNG, Fred	154	43.2
MACDONALD, Donald C.	127	35.6
BREWIN, Andrew	75	21.0
Total	356	100

Second Ballot

Candidate	Votes	Percentage	+/-
MACDONALD, Donald C.	181	50.8	+15.2
YOUNG, Fred	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
MACDONALD, Donald C.	859	69.9
RENWICK, James	370	30.1
Total	1,229	100

Ontario NDP leadership convention, 1970

(Held on October 4, 1970.)

Candidate	Votes	Percentage
LEWIS, Stephen	1,188	64.1
PITMAN, Walter	642	34.7
CAMPBELL, Douglas	21	1.1
Total	1,851	100

Ontario NDP leadership challenge, 1972

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

Candidate	Votes	Percentage
LEWIS, Stephen	752	85.8
CAMPBELL, Douglas	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
CASSIDY, Michael	675	37.6
DEANS, Ian	623	34.7
BREAUGH, Michael	499	27.8
Total	1,797	100

Breaugh eliminated, goes to Cassidy

Second Ballot

Candidate	Votes	Percentage	+/-
CASSIDY, Michael	980	65.7	+28.1
DEANS, Ian	512	34.3	-0.4
Total	1,492	100

Ontario NDP leadership convention, 1982

(Held on February 7, 1982.)

Candidate	Votes	Percentage
RAE, Bob	1,356	64.6
JOHNSTON, Richard	512	24.4
FOULDS, Jim	232	11.0
Total	2,100	100

Ontario NDP leadership challenge, 1986

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

Candidate	Votes	Percentage
RAE, Bob	776	95.3
ORENSTEIN, Ian	38	4.7
Total	814	100

Ontario NDP leadership convention, 1996

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

First Ballot

Candidate	Votes	Percentage
HAMPTON, Howard	649	33.7
LANKIN, Frances	611	31.7
KORMOS, Peter	434	22.5
SILIPO, Tony	232	12.0
Total	1,926	100

Silipo eliminated, endorses Hampton

Second Ballot

Candidate	Votes	Percentage	+/-
HAMPTON, Howard	806	43.4	+9.7
LANKIN, Frances	691	36.3	+4.6
KORMOS, Peter	402	21.2	-1.3
Total	1,899	100

Kormos eliminated, endorses no one, releases delegates

Third Ballot

Candidate	Votes	Percentage	+/-
HAMPTON, Howard	971	55.0	+12.6'
LANKIN, Frances	793	45.0	+8.7
Total	1,764	100

There were eighty spoiled ballots on the final count, mostly from disgruntled supporters of Kormos.

Ontario NDP leadership election, 2009

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

First Ballot

Candidate	Weighted Votes	Percentage
HORWATH, Andrea	4,625.29	37.1
TABUNS, Peter	3,437.93	27.6
BISSON, Gilles	2,954.23	23.7
PRUE, Michael	1,438.44	11.5
Total	12,455.89	100

Prue eliminated, endorses Bisson

Second Ballot

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

Bisson eliminated, endorses Horwath

Third Ballot

Candidate	Weighted Votes	Percentage	+/-
HORWATH, Andrea	6732.34	60.4	+16.8
TABUNS, Peter	4420.66	39.6	+7.9
Total	11,152.9	100.0

Main article: Ontario New Democratic Party leadership election, 2009

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.