What are 30 countries with the youngest populations? Among 30 countries with the youngest populations, 28 are African and only 2 are Asian. Niger has 56.9% of its population under 18 years old! Other countries on the list are Uganda - 55.0 % of population under 18 Chad - 54.6 % Angola- 54.3 % Mali - 54.1 % Somalia - 53.6 % Gambia - 52.8 % Zambia - 52.6 % Democratic Republic of the Congo - 52.6 % Burkina Faso - 52.3 % Mozambique - 52.1 % Malawi - 52.0 % Tanzania - 51.6 % Afghanistan - 51.4 % Burundi - 50.9 % Nigeria - 50.4 % Senegal - 50.2 % Sao Tome and Principe - 49.3 % Cote dIvoire - 49.3 % Cameroon - 49.1 % Guinea - 49.1 % Sierra Leone - 49.1 % Timor-Leste - 49.1 % Eritrea - 49.0 % Republic of the Congo - 48.9 % Liberia - 48.9 % South Sudan - 48.8 % Benin - 48.8 % Ethiopia - 48.7 % Madagascar - 48.6 % Subscribe- t.me/askmenow 1.9K views16:02