This basin encompasses 7,000,000 square kilometres (2,700,000 sq mi), of which 5,500,000 square kilometres (2,100,000 sq mi) are covered by the rainforest. This region includes territory belonging to nine nations.
How many square kilometers of rainforest is covered in the basin?
5,500,000 square kilometres (2,100,000 sq mi) are covered by the rainforest.