Understanding the historical population trends of Ontario offers valuable insights for researchers, economists, and anyone curious about how the region evolved over time. Let’s dive into the detailed quarterly population estimates from 1952 to 2025 and see how Ontario’s population steadily grew during this period.
Why This Data Matters
For researchers and data enthusiasts, these population estimates provide a historical baseline to understand demographic changes in Ontario. By analyzing this data, one can correlate it with economic growth, policy changes, and migration patterns during the early post-World War II era.
Quarterly Population Estimates for Ontario: 1952-2025
Statistics Canada’s table 17-10-0009-01 (formerly CANSIM 051-0005) provides a robust dataset that reveals Ontario’s population estimates on a quarterly basis. Here’s a snapshot of this data:
| Quarter | Ontario Population |
|---|---|
| Q1 1952 | 4,717,000 |
| Q2 1952 | 4,757,000 |
| Q3 1952 | 4,802,000 |
| Q4 1952 | 4,841,000 |
| Q1 1953 | 4,876,000 |
| Q2 1953 | 4,907,000 |
| Q3 1953 | 4,956,000 |
| Q4 1953 | 5,002,000 |
| Q1 1954 | 5,047,000 |
| Q2 1954 | 5,082,000 |
| Q3 1954 | 5,130,000 |
| Q4 1954 | 5,174,000 |
| Q1 1955 | 5,208,000 |
| Q2 1955 | 5,236,000 |
| Q3 1955 | 5,278,000 |
| Q4 1955 | 5,311,000 |
| Q1 1956 | 5,344,000 |
| Q2 1956 | 5,375,000 |
| Q3 1956 | 5,423,000 |
| Q4 1956 | 5,470,000 |
| Q1 1957 | 5,529,000 |
| Q2 1957 | 5,580,000 |
| Q3 1957 | 5,668,000 |
| Q4 1957 | 5,722,000 |
| Q1 1958 | 5,759,000 |
| Q2 1958 | 5,789,000 |
| Q3 1958 | 5,835,000 |
| Q4 1958 | 5,874,000 |
| Q1 1959 | 5,907,000 |
| Q2 1959 | 5,938,000 |
| Q3 1959 | 5,985,000 |
| Q4 1959 | 6,020,000 |
| Q1 1960 | 6,054,000 |
| Q2 1960 | 6,083,000 |
| Q3 1960 | 6,127,000 |
| Q4 1960 | 6,158,000 |
| Q1 1961 | 6,187,000 |
| Q2 1961 | 6,214,000 |
| Q3 1961 | 6,248,000 |
| Q4 1961 | 6,275,000 |
| Q1 1962 | 6,303,000 |
| Q2 1962 | 6,330,000 |
| Q3 1962 | 6,362,000 |
| Q4 1962 | 6,395,000 |
| Q1 1963 | 6,427,000 |
| Q2 1963 | 6,455,000 |
| Q3 1963 | 6,497,000 |
| Q4 1963 | 6,535,000 |
| Q1 1964 | 6,572,000 |
| Q2 1964 | 6,602,000 |
| Q3 1964 | 6,646,000 |
| Q4 1964 | 6,687,000 |
| Q1 1965 | 6,723,000 |
| Q2 1965 | 6,758,000 |
| Q3 1965 | 6,803,000 |
| Q4 1965 | 6,849,000 |
| Q1 1966 | 6,888,000 |
| Q2 1966 | 6,926,000 |
| Q3 1966 | 6,977,000 |
| Q4 1966 | 7,025,000 |
| Q1 1967 | 7,063,000 |
| Q2 1967 | 7,096,000 |
| Q3 1967 | 7,142,000 |
| Q4 1967 | 7,186,000 |
| Q1 1968 | 7,213,000 |
| Q2 1968 | 7,238,000 |
| Q3 1968 | 7,275,000 |
| Q4 1968 | 7,305,000 |
| Q1 1969 | 7,338,000 |
| Q2 1969 | 7,362,000 |
| Q3 1969 | 7,399,000 |
| Q4 1969 | 7,442,000 |
| Q1 1970 | 7,488,000 |
| Q2 1970 | 7,528,000 |
| Q3 1970 | 7,566,000 |
| Q4 1970 | 7,613,000 |
| Q1 1971 | 7,656,000 |
| Q2 1971 | 7,683,000 |
| Q3 1971 | 7,849,027 |
| Q4 1971 | 7,882,241 |
| Q1 1972 | 7,906,337 |
| Q2 1972 | 7,927,220 |
| Q3 1972 | 7,963,117 |
| Q4 1972 | 7,992,037 |
| Q1 1973 | 8,013,391 |
| Q2 1973 | 8,035,129 |
| Q3 1973 | 8,075,547 |
| Q4 1973 | 8,107,108 |
| Q1 1974 | 8,139,808 |
| Q2 1974 | 8,172,562 |
| Q3 1974 | 8,204,275 |
| Q4 1974 | 8,240,114 |
| Q1 1975 | 8,260,161 |
| Q2 1975 | 8,284,503 |
| Q3 1975 | 8,319,795 |
| Q4 1975 | 8,352,911 |
| Q1 1976 | 8,366,498 |
| Q2 1976 | 8,387,985 |
| Q3 1976 | 8,413,779 |
| Q4 1976 | 8,438,765 |
| Q1 1977 | 8,458,617 |
| Q2 1977 | 8,481,322 |
| Q3 1977 | 8,504,080 |
| Q4 1977 | 8,530,102 |
| Q1 1978 | 8,548,453 |
| Q2 1978 | 8,569,298 |
| Q3 1978 | 8,590,144 |
| Q4 1978 | 8,604,263 |
| Q1 1979 | 8,619,239 |
| Q2 1979 | 8,638,099 |
| Q3 1979 | 8,662,088 |
| Q4 1979 | 8,674,941 |
| Q1 1980 | 8,693,157 |
| Q2 1980 | 8,715,218 |
| Q3 1980 | 8,746,013 |
| Q4 1980 | 8,757,388 |
| Q1 1981 | 8,770,591 |
| Q2 1981 | 8,787,156 |
| Q3 1981 | 8,812,286 |
| Q4 1981 | 8,846,005 |
| Q1 1982 | 8,865,774 |
| Q2 1982 | 8,892,646 |
| Q3 1982 | 8,920,288 |
| Q4 1982 | 8,957,042 |
| Q1 1983 | 8,982,933 |
| Q2 1983 | 9,010,994 |
| Q3 1983 | 9,039,564 |
| Q4 1983 | 9,074,145 |
| Q1 1984 | 9,100,590 |
| Q2 1984 | 9,129,833 |
| Q3 1984 | 9,167,484 |
| Q4 1984 | 9,210,346 |
| Q1 1985 | 9,230,294 |
| Q2 1985 | 9,256,175 |
| Q3 1985 | 9,294,657 |
| Q4 1985 | 9,338,435 |
| Q1 1986 | 9,362,036 |
| Q2 1986 | 9,391,784 |
| Q3 1986 | 9,437,359 |
| Q4 1986 | 9,493,289 |
| Q1 1987 | 9,531,478 |
| Q2 1987 | 9,577,947 |
| Q3 1987 | 9,637,945 |
| Q4 1987 | 9,702,789 |
| Q1 1988 | 9,735,171 |
| Q2 1988 | 9,774,964 |
| Q3 1988 | 9,838,620 |
| Q4 1988 | 9,917,210 |
| Q1 1989 | 9,969,308 |
| Q2 1989 | 10,031,922 |
| Q3 1989 | 10,103,305 |
| Q4 1989 | 10,167,642 |
| Q1 1990 | 10,189,985 |
| Q2 1990 | 10,238,884 |
| Q3 1990 | 10,295,832 |
| Q4 1990 | 10,344,678 |
| Q1 1991 | 10,355,101 |
| Q2 1991 | 10,385,937 |
| Q3 1991 | 10,431,316 |
| Q4 1991 | 10,465,562 |
| Q1 1992 | 10,488,022 |
| Q2 1992 | 10,528,346 |
| Q3 1992 | 10,572,205 |
| Q4 1992 | 10,610,665 |
| Q1 1993 | 10,629,994 |
| Q2 1993 | 10,656,924 |
| Q3 1993 | 10,690,038 |
| Q4 1993 | 10,728,737 |
| Q1 1994 | 10,744,762 |
| Q2 1994 | 10,776,819 |
| Q3 1994 | 10,819,146 |
| Q4 1994 | 10,860,406 |
| Q1 1995 | 10,875,308 |
| Q2 1995 | 10,906,895 |
| Q3 1995 | 10,950,119 |
| Q4 1995 | 10,993,416 |
| Q1 1996 | 11,009,307 |
| Q2 1996 | 11,037,392 |
| Q3 1996 | 11,082,903 |
| Q4 1996 | 11,130,574 |
| Q1 1997 | 11,146,270 |
| Q2 1997 | 11,179,959 |
| Q3 1997 | 11,227,651 |
| Q4 1997 | 11,278,893 |
| Q1 1998 | 11,292,059 |
| Q2 1998 | 11,322,038 |
| Q3 1998 | 11,365,901 |
| Q4 1998 | 11,408,804 |
| Q1 1999 | 11,419,589 |
| Q2 1999 | 11,452,857 |
| Q3 1999 | 11,504,759 |
| Q4 1999 | 11,559,464 |
| Q1 2000 | 11,576,994 |
| Q2 2000 | 11,621,255 |
| Q3 2000 | 11,683,290 |
| Q4 2000 | 11,748,348 |
| Q1 2001 | 11,771,945 |
| Q2 2001 | 11,827,345 |
| Q3 2001 | 11,897,473 |
| Q4 2001 | 11,961,546 |
| Q1 2002 | 11,979,906 |
| Q2 2002 | 12,029,818 |
| Q3 2002 | 12,093,412 |
| Q4 2002 | 12,145,100 |
| Q1 2003 | 12,155,691 |
| Q2 2003 | 12,194,269 |
| Q3 2003 | 12,243,641 |
| Q4 2003 | 12,290,116 |
| Q1 2004 | 12,303,516 |
| Q2 2004 | 12,339,813 |
| Q3 2004 | 12,389,641 |
| Q4 2004 | 12,435,931 |
| Q1 2005 | 12,444,755 |
| Q2 2005 | 12,476,560 |
| Q3 2005 | 12,527,581 |
| Q4 2005 | 12,578,240 |
| Q1 2006 | 12,587,149 |
| Q2 2006 | 12,618,321 |
| Q3 2006 | 12,661,953 |
| Q4 2006 | 12,701,324 |
| Q1 2007 | 12,703,327 |
| Q2 2007 | 12,727,090 |
| Q3 2007 | 12,765,133 |
| Q4 2007 | 12,807,497 |
| Q1 2008 | 12,814,686 |
| Q2 2008 | 12,840,482 |
| Q3 2008 | 12,883,824 |
| Q4 2008 | 12,927,520 |
| Q1 2009 | 12,932,742 |
| Q2 2009 | 12,956,924 |
| Q3 2009 | 12,998,941 |
| Q4 2009 | 13,048,442 |
| Q1 2010 | 13,059,426 |
| Q2 2010 | 13,088,924 |
| Q3 2010 | 13,136,481 |
| Q4 2010 | 13,189,987 |
| Q1 2011 | 13,199,081 |
| Q2 2011 | 13,222,146 |
| Q3 2011 | 13,262,345 |
| Q4 2011 | 13,310,604 |
| Q1 2012 | 13,325,337 |
| Q2 2012 | 13,350,123 |
| Q3 2012 | 13,392,364 |
| Q4 2012 | 13,436,625 |
| Q1 2013 | 13,446,276 |
| Q2 2013 | 13,469,151 |
| Q3 2013 | 13,511,902 |
| Q4 2013 | 13,559,499 |
| Q1 2014 | 13,563,311 |
| Q2 2014 | 13,583,220 |
| Q3 2014 | 13,617,763 |
| Q4 2014 | 13,661,282 |
| Q1 2015 | 13,657,423 |
| Q2 2015 | 13,669,290 |
| Q3 2015 | 13,709,293 |
| Q4 2015 | 13,759,762 |
| Q1 2016 | 13,774,364 |
| Q2 2016 | 13,816,652 |
| Q3 2016 | 13,876,500 |
| Q4 2016 | 13,948,180 |
| Q1 2017 | 13,975,516 |
| Q2 2017 | 14,012,209 |
| Q3 2017 | 14,078,499 |
| Q4 2017 | 14,161,084 |
| Q1 2018 | 14,199,811 |
| Q2 2018 | 14,251,136 |
| Q3 2018 | 14,326,746 |
| Q4 2018 | 14,413,055 |
| Q1 2019 | 14,449,986 |
| Q2 2019 | 14,493,612 |
| Q3 2019 | 14,573,565 |
| Q4 2019 | 14,666,727 |
| Q1 2020 | 14,718,155 |
| Q2 2020 | 14,752,374 |
| Q3 2020 | 14,761,811 |
| Q4 2020 | 14,757,582 |
| Q1 2021 | 14,772,726 |
| Q2 2021 | 14,808,093 |
| Q3 2021 | 14,842,488 |
| Q4 2021 | 14,938,314 |
| Q1 2022 | 14,995,433 |
| Q2 2022 | 15,042,458 |
| Q3 2022 | 15,141,455 |
| Q4 2022 | 15,289,550 |
| Q1 2023 | 15,402,095 |
| Q2 2023 | 15,478,287 |
| Q3 2023 | 15,623,207 |
| Q4 2023 | 15,818,465 |
| Q1 2024 | 15,944,379 |
| Q2 2024 | 16,033,583 |
| Q3 2024 | 16,124,116 |
| Q4 2024 | 16,171,802 |
| Q1 2025 | 16,182,641 |
Components of Population Growth: An Overview
The population growth, used to calculate population estimates, consists of natural growth, international migration, and interprovincial migration.
Data Source:
| Source Name: | Population estimates, quarterly |
| Source Link: | https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=1710000901 |
| Published Date: | 2025-03-19 |
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