Most of the world is lactose intolerant

Meta analyses show that 68% of the world are lactose intolerant[1]

In Asia and Africa, its far higher, and in Europe, US and Canada, its around 1/3 or so.

References


  1. Storhaug CL, Fosse SK, Fadnes LT. Country, regional, and global estimates for lactose malabsorption in adults: a systematic review and meta-analysis. The Lancet. Gastroenterology & Hepatology. 2017;2(10):738–746. ↩︎