Did you know? GDP in Yemen (2018) (54.4 billion USD p/a) is 4 x GDP in Guinea (2019) (13.55 billion USD p/a)
Land used for permanent crops in Somalia (2018) (0 m km^2)
/fact/land-used-for-permanent-crops-in-somalia
Link
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.