Is Oil exports an important source of foreign income?

44 of the 172 countries in Geo Atlas answer yes to the question “Is Oil exports an important source of foreign income?”. They are spread across 6 continents, mostly Asia (17). The largest is Russia (17,098,242 km²) and the smallest Bahrain (778 km²). The most populous is United States with 331 million people; together these countries are home to about 2 billion people. Each country below links to its full geography profile — then try to find them all on the map in a game.