Africa has roughly 18 sets of twins per 1000 births. It is the world’s highest rate of twin-births among regions in the developing world. Igbo Ora Town in Nigeria averaged nearly 50 sets per 1000 births when studied in the 1970’s. – WTF Fun Facts
Source: https://theculturetrip.com/africa/nigeria/articles/this-city-in-nigeria-has-the-highest-rate-of-twins-in-the-world/
WTF Fun Fact – Twin Birth Anomoly
