Population incidence worldwide
More data regarding population incidence
It is estimated that around 38% of western population and 65% of world population have lactase deficiency.
The lowest prevalence zone in Europe is Northeast around North Sea and Southwest of Baltic Sea. The highest prevalence is in the south zone of Europe and the East of Russia.
Lactose intolerance incidence has geographic distribution and it depends directly on the ethnic group the individual belongs to. The intolerance is very common in people of color, Asiatic and American native population (about 75%).
Hypolactasia in Spain
According to Spain it is estimated that the prevalence in adults is 23% of population.