North America metropolitan area by population in North America: Greater Mexico City. Canada also breaks into the top ten largest metropolitan areas with the Toronto metropolitan area having six million people. The proximity of cities to each other on the Canada–United States border and Mexico–United States border has led to the rise of international metropolitan areas. These urban agglomerations are observed at their largest and most productive in Detroit–Windsor and San Diego–Tijuana and experience large commercial, economic, and cultural activity. The metropolitan areas are responsible for millions of dollars of trade dependent on international freight. In Detroit-Windsor the Border Transportation Partnership study
Largest cities in Japan by population by decade cities proper. Source data is from the 2000 Census. In the mid-2000s, another series of municipal mergers was enacted. The "Great Heisei Mergers" nearly halved the number of municipalities in Japan, once again increasing the size of some cities significantly and creating new towns and cities. Despite a mounting population loss in rural areas and some smaller cities, Japan's major cities continue to grow. Source date is from the 2010 Census. Largest cities in Japan by population by decade This article lists the ten most populous cities in Japan by decade, starting after the Meiji Restoration of 1868. The first