[citation needed] Between 2016 and 2021, the five CMAs with the highest percentage growth were located in British Columbia and Southern Ontario.
The five CMAs with the lowest percentage growth were in Quebec, Alberta, Northern Ontario and Newfoundland and Labrador.
[3][4][5] Ten of the fifteen fastest-growing CAs in Canada between the two most recent censuses were located in Alberta.
The fifteen CAs that experienced the greatest population decline were located in British Columbia (two), Manitoba (one), New Brunswick (one), Nova Scotia (three), Ontario (four) and Quebec (four).
The number of CMAs increased from 35 in 2016 with the promotion of the Nanaimo, Kamloops, Chilliwack, Fredericton, Drummondville and Red Deer CAs.