My guess is that it's the younger average population in Africa combined with general higher resistance to sickness from lower sanitation standards in some areas

My guess is that it's the younger average population in Africa combined with general higher resistance to sickness from lower sanitation standards in some areas. But that's just a guess. Continent Median Age Europe 42 years North America 35 years Oceania 33 years Asia 31 years South America 31 years Africa 18 years https://www.visualcapitalist.com/mapped-the-median-age-of-every-continent/ https://www.visualcapitalist.com/mapped-the-median-age-of-ev...