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The Yoruba tribe has the highest rate of twin births in the world. Igbo-Ora, a little town in Oyo state, has been nicknamed Twin capital of the World because of its unusually high rate of twins that is put as high as 158 twins per 1000 births.
The Yoruba tribe has the highest rate of twin births in the world. Igbo-Ora, a little town in Oyo state, has been nicknamed Twin capital of the World because of its unusually high rate of twins that is put as high as 158 twins per 1000 births.