The World Fact-Book

https://www.cia.gov/library/publications/the-world-factbook/fields/2177.html

 

ROFLMAO, the facts as the CIA sees them?

 

Nigeria's median is 15 ! OMG the lowest. France's median is 41. A bit more than USA (38) and a bit less than Japan (46) which is same as Germany ! Highest value is Monaco (51).

 

Niger is 15, Nigeria is 18.

 

Ops ... Isn't it the same thing ? Kiddin' ... World's median is 30.