This bar chart shows population figures and how they break down from the 1991, 2001 and 2011 censuses. The bars break down sex and age. The 1991 statistics show a population around 175,000. The female proportion is slightly higher than the male. By age, the lowest proportion is aged 0-4 (approximately 15,000), then 65+ (approximately 20,000), then 5-14 (approximately 25,000-30,000), and the largest group is aged 15-64 (approximately 115,000-120,000). The 2001 statistics show a population around 210,000. The male proportion is slightly higher than the female. The age statistics are not shown for this year. The 2011 statistics show a population just under 250,000. The female proportion is slightly higher than the male. By age, the lowest proportion is aged 90+ (a very small group not visibly listed for previous years, approximately 1,000), then 0-4 (approximately 20,000), then 65+ (approximately 25,000-30,000), then 5-14 (approximately 35,000), and the largest group is aged 15-64 (approximately 170,000).