| city | area defined as | population | area | density | GDP by cities | source |
| 10,000 persons | sq. km | persons/sq.km. | ||||
| London | Greater London (22 London boroughs/districts) | 670 (1991) | 1576 | 4251.27 | 12 | |
| New York | 5 boroughs (Manhattan, The Bronx, Brooklyn, Queens, Staten Island) | 734 (1996) | 787 | 9326.56 | 7,8 | |
| 732 (1997) | 833 | 8785.7 (aged 15-44) | 9 | |||
| NYCity Metropolitan Area | 1870 (1990) | 3585 | 5216.18 | 16 | ||
| NYC Metro: includes New York, NY, Nassau-Suffolk, NY, Orange County, NY, Trenton, NJ, Beren-Passaic, NJ, Jersey City, NJ, Middlesex-Somerset-Hunterdon, NJ, Monmouth-Ocean, NJ, Newark, NJ, Stamford, CT, Waterbury, CT, Bridgeport-Milford, CT, Danbury, CT, Hartford, CT, New Haven-Meriden, CT | 16 | |||||
| Los Angeles | LA Metropolitan Area/ LA Basin | 104.7 | 16600 | 630.72 | 11 | |
| LA | 3.7 million | 10 | ||||
| Chicago | 2.7 million | 7 | ||||
| Houston | 1.7 million | 7 | ||||
| Philadelphia | 1.5 million | 7 | ||||
| Tokyo | 23-ku | 7.98 million | 620.84 | 12853.55 | 14 | |
| TMR | Tokyo-to | 11.57 million | 2186.77 | 5384.4 | 13 | |
| Kanagawa-ken | 8.22million | 2413.58 | 3416.5 | 13 | ||
| Saitama-ken | 6.77million | 3797.23 | 1780 | 13 | ||
| Chiba-ken | 5.81million | 5155.88 | 1124.5 | 13 | ||
| TOTAL | 32.37 million | 13553.46 | 2388.32 | 13 | ||
| source # | source |
| 1 | Statistics and Information yearbook of Shenzhen, 1998 No. 8, compiled by Shenzhen Statistics and Information Bureau, China Statistical Publishing House |
| 2 | Statistical Yearbook of Guangzhou 1998, China Statistical Publishing House |
| 3 | Statistics on land area from : Guangzhou Yearbook 1998, Guangzhou Annual Publishing House |
| 4 | Statistics on land area from: Statistical Yearbook of Guangdong 1998, compiled by Guangdong Statistics and Information Bureau, China Statistical Publishing House |
| 5 | DSEC (Direcção dos Serviços de Estatística e Censos) of APM (Administração Pública de Macau ) at www.dsec.gov.mo/html/English/index.html |
| 6 | http://www.nyconsulate.prchina.org/news/HongKongMacao.html |
| 7 | http://www.ci.nyc.ny.us/html/dcp/html/socind97.html |
| 8 | http://www.ci.nyc.ny.us/html/dcp/html/lufacts.html |
| 9 | Major Cities of the World 1997, March 1997, Secretariat to the Summit Conference of Major Cities of the World |
| 10 | ww.ci.la.ca.us/cao/econ9906.pdf |
| 11 | http://www.doc.mmu.ac.uk/aric/langeles.html |
| 12 | http://www.publicpurpose.com/dm-lon31.htm |
| 13 | todoufuken betsu Data Book 1998, Yomiuri Shinbun Publishing |
| 14 | http://www.metro.tokyo.jp/INET/TOUKEI/HYOU/TO7BU0A0.XLS |
| 15 | China Statistical Yearbook 1997, China Statistical Publishing House |
| 16 | http://www.nyu.edu/urban/ny_affairs/metro-demo/old-trends.html |