List of Ontario general elections

Beginning with the 2003 election, Ontario elections are held every 4 years in October.

Ontario is the largest of Canada's ten provinces by population.

1867-1889

Seats

Party		1867	1871	1875	1879	1883	1886	Conservative	41	38	34	29	37	32	Liberal-Conservative 1	-	-	1	-	-	-	Liberal	41	43	50	57	48	57	Conservative - Liberal	-	1	-	-	-	-	Conservative Independent	-	-	2	2	-	-	Liberal - Independent	-	-	1	-	2	-	Independent	-	-	-	-	1	1
Total		82	82	88	88	88	90

¹Liberal-Conservative was the title used by some members of the Conservative Party in the first decades after Canadian Confederation.

1890-1919

Seats

Party		1890	1894	1898	1902	1905	1908	1911	1914	1919	Conservative	34	23	42	48	69	86	82	84	25	Conservative–Equal Rights	2	-	-	-	-	-	-	-	-	Conservative-Patron	-	1	-	-	-	-	-	-	-	Conservative–P.P.A.	-	6	-	-	-	-	-	-	-	Liberal-Conservative	-	-	-	-	-	-	1	-	-	Liberal	53	45	51	50	28	19	22	24	27	Liberal-P.P.A.	-	1	-	-	-	-	-	-	-	Liberal-Patron	-	12	-	-	-	-	-	-	-	Liberal-Equal Rights	2	-	-	-	-	-	-	-	-	Liberal-Temperance	-	-	-	-	-	-	-	1	-	Liberal-United Farmers	-	-	-	-	-	-	-	-	1	Patrons of Industry	-	3	-	-	-	-	-	-	-	Protestant Protective Assoc.	-	2	-	-	-	-	-	-	-	Labour	-	-	-	-	-	1	1	1	11	Labour-United Farmers	-	-	-	-	-	-	-	-	1	United Farmers	-	-	-	-	-	-	-	-	44	Soldier	-	-	-	-	-	-	-	-	1	Independent	-	1	-	-	-	-	-	-	-	Conservative Independent	-	-	1	-	-	-	-	-	-	Liberal Independent	-	-	-	-	1	-	-	1	1
Total		91	94	94	98	98	106	106	111	111

1920-1949

Seats

Party		1923	1926	1929	1934	1937	1943	1945	1948	Conservative/ Progressive Cons.+	75	72	90	17	23	38	66	53	Liberal	14	14	13	65	63	15	11	13	Liberal-Progressive	-	4	1	4	2	-	-	-	Liberal-Prohibitionist	-	1	-	-	-	-	-	-	Liberal-Labour	-	-	-	-	-	-	3	1	Cooperative Commonwealth	-	-	-	1	-	34	8	21	Labour	4	1	1	1	-	-	-	-	United Farmers	17	3	1	1	1	-	-	-	Progressive	-	10	4	-	-	-	-	-	Labour-Progressive Party	-	-	-	-	-	2	2	2	Independent	1	-	-	1	-	-	-	-	Conservative Independent	-	2	2	-	-	-	-	-	Liberal Independent	-	4	-	-	1	1	-	-	Progressive Independent	-	1	-	-	-	-	-	-
Total		111	112	112	90	90	90	90	90

+ In 1943, the Conservative Party of Ontario became the Ontario Progressive Conservative Party.

1950-1979

Seats

Party		1951	1955	1959	1963	1967	1971	1975	1977	Progressive Conservative	79	83	71	77	69	78	51	58	Liberal	7	10	21	23	27	20	35	34	Liberal-Labour	1	1	1	1	1	-	1	-	CCF/NDP+	2	3	5	7	20	19	38	33	PC Independent	-	1	-	-	-	-	-	-	Labour Progressive	1	-	-	-	-	-	-	-
Total		90	98	98	108	117	117	125	125

+ The Co-operative Commonwealth Federation (CCF) became the New Democratic Party (NDP) in 1961.

1980-2003

Seats

Party		1981	1985	1987	1990	1995	1999	2003	Progressive Conservative	70	52	16	20	82	59	24	Liberal	34	48	95	36	30	35	72	New Democratic	21	25	19	74	17	9	7	Others	0	0	0	0	1*	0	0
Total		125	125	130	130	130	103	103

* Peter North of Erie riding, formerly an NDP MPP, announced his intention to run as a PC candidate in 1995. Denied the PC nomination, he ran (and won) as an independent candidate with no party affiliation.

Popular vote (%)

Party		1981	1985	1987	1990	1995	1999	2003	Progressive Conservative	44.4	37.0	24.7	23.5	44.8	45.1	34.6	Liberal	33.7	37.9	47.3	32.4	31.1	39.9	46.5	New Democratic	21.1	23.8	25.7	37.6	20.6	12.6	14.7	Green		0.1	0.1	0.7	0.4	0.7	2.8	Family Coalition		-	1.3	2.7	1.5	0.6	0.8	Freedom		0.1	0.1	0.2	0.1	0.1	0.2	Communist		0.1	0.1	0.1	0.02	0.02	0.05	Libertarian		0.4	0.4	0.6	0.2	0.1	0.04	Confederation of Regions	-	-	-	1.9	0.1	0.01	0.01	Natural Law	-	-	-	-	0.4	0.4	-	Reform	-	-	-	-	-	0.00	-	Others		0.7	0.4	0.3	0.8	0.6	0.3
Total		100	100	100	100	100	100	100

Source: Elections Ontario