The Northwest Passage is a famed sea route from the Atlantic Ocean to the Pacific Ocean through a group of sparsely populated Canadian islands known as the Arctic Archipelago. Climate change has caused Arctic ice cover to thin in recent years, opening the passage to marine shipping.
Per capita income ( PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population.
