Ontario New Democratic Party Election results Election results

| Year_of_election | Candidates_elected | _of_seats_available | _of_votes | _of_popular_vote_ |
|---|---|---|---|---|
| 1963 | 7 | 108 | n.a. | 15.5% |
| 1967 | 20 | 117 | n.a. | 25.9% |
| 1971 | 19 | 117 | n.a. | 27.1% |
| 1975 | 38 | 125 | n.a. | 28.9% |
| 1977 | 33 | 125 | n.a. | 28.0% |
| 1981 | 21 | 125 | n.a. | 21.2% |
| 1985 | 25 | 125 | 865507 | 23.8% |
| 1987 | 19 | 130 | 970813 | 25.7% |
| 1990 | 74 | 130 | 1509506 | 37.6% |
| 1995 | 17 | 129 | 854163 | 20.6% |
| 1999 | 9 | 103 | 551009 | 12.6% |
| 2003 | 7 | 103 | 660730 | 14.7% |
| 2007 | 10 | 107 | 741043 | 16.8% |
| 2011 | 17 | 107 | 980204 | 22.73% |