The globe is currently divided into five major powers and a few smaller nations.
It’s kind of difficult to be an anime lover and not know about Naruto, well, in case you haven’t then Naruto and Naruto: Shippuden are both set on a fictionalized Earth where humans are born with elemental chakra abilities. The globe is currently divided into five major powers and a few smaller nations. The major elemental trait of the people who reside in these countries is identified and structured around it.