27/12/2021
Benin, a country in central Africa, is notable for having the highest birth rate of twins in the world. While the world average is just 13 twins per 1,000 births, Benin more than doubles that rate, at nearly 30 twins per 1,000 births. There's no single factor that causes this, but genetics, diet, and even the mother's height are thought to play a role.
