Canada and the United States have a relationship with each other.
Canada . Canada 's long and complex relationship with the United States has had a significant impact on its economy and culture . Canada is a Commonwealth realm member of the Commonwealth of Nations , a member of the Francophonie , and part of several major international and intergovernmental institutions or groupings including the United Nations , the North Atlantic Treaty Organization , the G8 , the Group of Ten , the G20 , the North American Free Trade Agreement and the Asia-Pacific Economic Cooperation forum . United States . Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico .