Vancouver's population has increased for all of these except

Vancouver's population has increased for all of these except an influx of retired Canadians.

Explanation:

There has been a deep rise in the population of Vancouver due to a huge amount influx of the immigrants from Canada. The immigrants mainly are people who have retired from their work life, rather than people or youth in search of jobs. Vancouver has a very favorable climate which is fairly temperate and has perfect living conditions. Retired personnel prefer this location due to the serene environment and calm demeanor along with an advanced outdoor lifestyle that attracts people.