The second largest country in the world by total area, Canada occupies the northern half of North America and stretches from the Atlantic Ocean in the east to the Pacific Ocean in the west with the Arctic Ocean in the far north. Canada shares the longest unprotected border with the United States with most of it running along the 49th parralel. The total population of Canada is roughly 33.5 million with approximately 75% of the population living within 150 km (90 miles) of the United States border. Toronto, Montreal and Vancouver (in that order) are the largest of the metropolitan area in Canad...[more]