Saudi Arabia is a real "oil kingdom", oil reserves and production rank first in the world, making it one of the richest countries in the world. [1] Saudi Arabia is the world's Saudi Arabia is a real "oil kingdom", oil reserves and production rank first in the world, making it one of the richest countries in the world. [1] Saudi Arabia is the world's Saudi Arabia is a real "oil kingdom", oil reserves and production rank first in the world, making it one of the richest countries in the world. [1] Saudi Arabia is the world's