Niger
![Top 5 African countries with more young people than grandparents](https://cdn.face2faceafrica.com/www/wp-content/uploads/2019/09/niger.jpg)
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By 2020, Niger is set to have the world’s youngest population with a median age of just 15.2-years-old.
The country also has the world’s highest birth rate, with every woman having an average of 7.2 children in her lifetime. Niger’s population is set to triple by 2050.