6. Nigeria
> Potential net population change (15-29 years old): -57.0%
> Population, 2021: 213,401,323 — +29.0% from 2011
> Population, 2011: 165,463,745
5. Bosnia and Herzegovina
> Potential net population change (15-29 years old): -57.0%
> Population, 2021: 3,270,943 — -12.6% from 2011
> Population, 2011: 3,743,142
4. El Salvador
> Potential net population change (15-29 years old): -61.0%
> Population, 2021: 6,314,167 — +2.9% from 2011
> Population, 2011: 6,137,349
3. Haiti
> Potential net population change (15-29 years old): -68.0%
> Population, 2021: 11,447,569 — +15.0% from 2011
> Population, 2011: 9,954,312
2. Liberia
> Potential net population change (15-29 years old): -70.0%
> Population, 2021: 5,193,416 — +24.2% from 2011
> Population, 2011: 4,181,150