what is the largest metro area in the world 
tokyo is the largest metro area in the world with a total metropolitan population of 36 5 million 7the bottom linea metropolitan statistical area msa is determined by the u s office of management and budget omb as a location with at least one urbanized area and at least 50 000 people msas are typically cities and their linked surrounding areas msas help to group counties and cities into geographic areas for consensus purposes 