List of tallest buildings in Toronto

This list of tallest buildings in Toronto ranks skyscrapers in the Canadian city of Toronto, Ontario by height. The tallest structure in Toronto is the CN Tower, which rises 553 metres (1,814 ft). The CN Tower was the tallest free-standing structure on land from 1975 until 2007. However, it is not generally considered a high-rise building as it does not have successive floors that can be occupied. The tallest habitable building in the city is First Canadian Place, which rises 298 metres (978 ft) tall in Toronto's Financial District and was completed in 1975. It also stands as the tallest building in Canada.

The history of skyscrapers in Toronto began in 1894 with the construction of the Beard Building, which is often regarded as the first skyscraper in the city. Toronto went through its first building boom in the late 1920s and early 1930s, during which the number of high-rise buildings in the city vastly increased. After this period, there was a great lull in construction between 1932 and 1964 with only a single building above 91.5 metres (300 ft) tall being built.

The city then experienced a second, much larger building boom, which was at its peak between 1967 and 1976. This period saw the construction of Canada's three tallest buildings and 6 of its top 10 (at the time). When finished, the TD Tower was the 14th tallest building in the world (1967). The TD Tower would soon be followed by Commerce Court West, the 14th tallest building in the world at the time of its completion in 1972. Later, Canada's current tallest building, the First Canadian Place, became the 6th tallest building in the world at the time of its completion in 1975. After the mid-1970s, the pace of the boom slowed considerably but continued onto the early 1990s, culminating with the construction of the city's and Canada's 2nd and 3rd tallest buildings: Scotia Plaza and the TD Canada Trust Tower.

After this boom, the city went through a third, shorter lull in construction from 1993 to 2004, in which the city added only one new building to its top 20. By 2005 however, the city's third and largest high-rise construction boom began with the completion of One King Street West and has continued unabated ever since with nearly 50 planned, under construction or recently built buildings over 150 m/500 ft tall. Of the 15 buildings in Toronto taller than 200 metres, only 6 were built prior to 2000.

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