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
HIV/AIDS in North America HIV/AIDS in North America As of 2016, it is estimated that there are 1.5 million adults and children living with HIV/AIDS in North America, excluding Central America and the Caribbean. 70,000 adults and children are newly infected every year, and the overall adult prevalence is 0.5%. 26,000 people in North America (again, excluding Central America and the Caribbean) die from AIDS every year. HIV/AIDS prevalence rates in North America vary from 0.23% in Mexico to 3.22% in The Bahamas. As of 2013, the adult prevalence rate is estimated to be 3.22%. As of 2013, the adult prevalence rate is estimated