| Country or Area | Subgroup | Year | Source | Unit | Value | |
|---|
| Afghanistan | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 17219 |
| Afghanistan | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 5686 |
| Afghanistan | Total | 2011 | UN_United Nations Population Division | Thousand | 32358 |
| Afghanistan | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 8015 |
| Afghanistan | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 25 |
| Albania | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 877 |
| Albania | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 203 |
| Albania | Total | 2011 | UN_United Nations Population Division | Thousand | 3216 |
| Albania | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 551 |
| Albania | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 17 |
| Algeria | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 11641 |
| Algeria | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 3464 |
| Algeria | Total | 2011 | UN_United Nations Population Division | Thousand | 35980 |
| Algeria | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 6425 |
| Algeria | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 18 |
| Andorra | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 16 |
| Andorra | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 4 |
| Andorra | Total | 2011 | UN_United Nations Population Division | Thousand | 86 |
| Angola | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 10399 |
| Angola | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 3393 |
| Angola | Total | 2011 | UN_United Nations Population Division | Thousand | 19618 |
| Angola | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 4720 |
| Angola | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 24 |
| Antigua and Barbuda | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 28 |
| Antigua and Barbuda | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 8 |
| Antigua and Barbuda | Total | 2011 | UN_United Nations Population Division | Thousand | 90 |
| Argentina | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 12105 |
| Argentina | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 3423 |
| Argentina | Total | 2011 | UN_United Nations Population Division | Thousand | 40765 |
| Argentina | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 6769 |
| Argentina | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 17 |
| Armenia | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 763 |
| Armenia | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 225 |
| Armenia | Total | 2011 | UN_United Nations Population Division | Thousand | 3100 |
| Armenia | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 435 |
| Armenia | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 14 |
| Australia | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 5190 |
| Australia | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 1504 |
| Australia | Total | 2011 | UN_United Nations Population Division | Thousand | 22606 |
| Australia | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 2917 |
| Australia | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 13 |
| Austria | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 1512 |
| Austria | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 381 |
| Austria | Total | 2011 | UN_United Nations Population Division | Thousand | 8413 |
| Austria | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 929 |
| Austria | Total 10-19 yr | 2011 | UN_United Nations Population Division | Percent | 11 |
| Azerbaijan | Total <18 yr | 2011 | UN_United Nations Population Division | Thousand | 2430 |
| Azerbaijan | Total <5 yr | 2011 | UN_United Nations Population Division | Thousand | 846 |
| Azerbaijan | Total | 2011 | UN_United Nations Population Division | Thousand | 9306 |
| Azerbaijan | Total 10-19 yr | 2011 | UN_United Nations Population Division | Thousand | 1378 |
