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
Bahá'í Faith in North America Bahá'í Faith in North America The Bahá'í Faith is a diverse and widespread religion founded by Bahá'u'lláh in the 19th century in Iran. Bahá'í sources usually estimate the worldwide Bahá'í population to be above 5 million. Most encyclopedias and similar sources estimate between 5 and 6 million Bahá'ís in the world in the early 21st century. The religion is almost entirely contained in a single, organized, hierarchical community, but the Bahá'í population is spread out into almost every country and ethnicity in the world, being recognized as the second-most geographically widespread religion after Christianity. See Bahá'í statistics. In December 1999,