Year | 1970 | 1980 | 1990 | 2000 | 2015 | 2030a |
---|---|---|---|---|---|---|
Total Population, N | 8,300,399 | 8,780,514 | 9,584,184 | 10,120,892 | 10,775,627 | 9,944,658 |
<15 years old (%) | 24.2 | 23.1 | 19.5 | 14.7 | 14.5 | 11.7 |
65 – 80 years old (%) | 11.1 | 13.1 | 13.7 | 17.3 | 20.9 | 27.2 |
>80 years old (%) | 2.0 | 2.3 | 3.0 | 3.5 | 6.3 | 8.7 |
Median age (years) | 32 | 34 | 36 | 38 | 43 | 50 |