16. Tunisia
> Potential net population change (15-29 years old): -44.0%
> Population, 2021: 12,262,946 — +11.2% from 2011
> Population, 2011: 11,032,528
15. Peru
> Potential net population change (15-29 years old): -45.0%
> Population, 2021: 33,715,471 — +14.4% from 2011
> Population, 2011: 29,477,721
14. Serbia
> Potential net population change (15-29 years old): -46.0%
> Population, 2021: 6,834,326 — -5.5% from 2011
> Population, 2011: 7,234,099
13. Senegal
> Potential net population change (15-29 years old): -48.0%
> Population, 2021: 16,876,720 — +31.1% from 2011
> Population, 2011: 12,875,880
12. Guinea
> Potential net population change (15-29 years old): -48.0%
> Population, 2021: 13,531,906 — +28.5% from 2011
> Population, 2011: 10,527,712