According to the 2016 Census, there were 107,909 people residing in Thunder Bay on 10 May 2016, of whom 48.8% were male and 51.2% were female. Residents 19 years of age or younger accounted for approximately 19.9% of the population. People aged by 20 and 39 years accounted for 25.0%, while those between 40 and 64 made up 35.1% of the population. The average age of a Thunder Bayer in May 2016 was 43.3, compared to the average of 41.0 for Canada as a whole.