Source most populated urban areas most populous urban area According to Wikipedia most-populous urban areas fifth-most populous in the world most populous city second largest second largest most-populous urban areas second largest http://en.wikipedia.org/wiki/List_of..._by_population http://en.wikipedia.org/wiki/List_of..._by_population Source fifth-largest in the world fifth-largest in the world English most populous city 206th largest urban area in the world huge the urban area fifth-largest in the world second largest most populous city one of the 50 largest urban agglomerations in the world Tokyo this list List of urban areas by population most populous city List of urban areas by population 206th-largest urban area in the world 89th biggest urban area by population 206th largest urban area in the world Source urban area Source Tokyo 206th largest urban area in the world Source most populous city 5th largest urban area in the world one of the 50 largest urban agglomerations in the world Tokyo 206th largest urban area in the world 206th-largest urban area in the world view article Wikipedia megalopolis of over 20 million people second largest greater population one of the 50 largest urban areas in the world fourth largest urban area in the world più popolose most populous urban area Source Tokyo most-populous urban areas but has almost twice as many people. List of urban areas by population - Wikipedia List of urban areas by population largest most populous city Urban Areas Source second largest English List of urban areas by population 50th largest urban area in the world English http://en.wikipedia.org/wiki/List_of..._by_population largest urban area in the world Beijing's urban population Source most populous urban areas ranks 4th most populous city second largest Source greater population greater population English 4th the world most populous cities most populous urban areas Source most populous city According to Wikipedia