As of 2016, what is Canada's third largest municipality by population?

As of 2016 Calgary had a population of 1,239,220, making it the third largest Canadian city behind Toronto and Montreal, and ahead of Ottawa which is the 4th largest.

Calgary is a city of prairies and foothills, located in the province of Alberta, about 80 kilometers (50 miles) from the Rocky Mountains to the east. Calgary's economy includes energy, film, television, technology, aerospace and more. The Calgary Census Metropolitan area is home to the second highest number of corporate home offices in Canada among the country's top 800 businesses. In 1988 Calgary became the first Canadian city to host the Winter Olympics. Notable Calgarians include: Mark Rypien, Super Bowl XXVI MVP; Canadian - American baseball player Chris Reitsma; Richard Bennett, former Prime Minister of Canada; and professional hockey players too numerous to name.