This document shows the percentage of people in different age groups that live in Catalonia for three different years. In 2001, 49.52% of people were under 49 years old and 50.48% were over 49. In 2011, the percentages were similar with 49.2% under 49 and 50.48% over 49. The percentages were also close in 2012, with 49.15% under 49 and 50.85% over 49.