Answer
The answer is no, Vaughan's population did not decrease from 1996 to 2006. The population of Vaughan was 227,051 in 1996 and 259,406 in 2006, an increase of 13.8%. This increase was driven by a number of factors, including immigration, new housing construction, and economic growth. Vaughan is a rapidly growing city, and its population is expected to continue to grow in the years to come.