8 8 Population trend by age group Population trend by age group 6.8% 2020 8.93 20.87 2.19 4.3% 2000 7.89 13.77 0.99 3.7% 1990 6.75 10.56 0.67 25 20 15 10 5 0 0-14 15-64 65+ MILLION