Table 1.
The 28 global mega‐regions including forming metros, population (millions) and GDP (US$ billions)
| Region | Major cities | Population | Economic output |
|---|---|---|---|
| Bos‐Wash | New York; Washington, D.C.; Boston | 47.6 | 3650 |
| Par‐Am‐Mun | Paris, Amsterdam, Brussels, Munich | 43.5 | 2505 |
| Chi‐Pitts | Chicago, Detroit, Cleveland, Pittsburgh | 32.9 | 2130 |
| Greater Tokyo | Tokyo | 39.1 | 1800 |
| SoCal | Los Angeles, San Diego | 22.0 | 1424 |
| Seoul‐San | Seoul, Busan | 35.5 | 1325 |
| Beijing | Beijing, Tianjin | 37.4 | 1226 |
| Lon‐Leed‐Chester | London, Leeds, Manchester | 22.6 | 1177 |
| Hong‐Shen | Hong Kong, Shenzhen | 19.5 | 1043 |
| NorCal | San Francisco, San Jose | 10.8 | 925 |
| Shanghai | Shanghai, Hangzhou | 24.2 | 892 |
| Taipei | Taipei | 16.7 | 827 |
| Sao Paolo | Sao Paolo | 33.5 | 780 |
| Char‐Lanta | Charlotte, Atlanta | 10.5 | 656 |
| Ista‐Burs | Istanbul, Bursa | 14.8 | 626 |
| Vienna‐Budapest | Vienna, Budapest | 12.8 | 555 |
| Mexico City | Mexico City | 24.5 | 524 |
| Rome‐Mil‐Tur | Rome, Milan, Turin | 13.8 | 513 |
| Singa‐Lumpur | Singapore, Kuala Lumpur | 12.7 | 493 |
| Cairo‐Aviv | Cairo, Tel Aviv | 19.8 | 472 |
| So‐Flo | Miami, Tampa | 9.1 | 470 |
| Abu‐Dubai | Abu Dhabi, Dubai | 5.0 | 431 |
| Osaka‐Nagoya | Osaka, Nagoya | 9.1 | 424 |
| Tor‐Buff‐Chester | Toronto, Buffalo, Rochester | 8.5 | 424 |
| Delhi‐Lahore | New Delhi, Lahore | 27.9 | 417 |
| Barcelona‐Lyon | Barcelona, Lyon | 7.0 | 323 |
| Shandong | Jinan, Zibo, Dongying | 14.2 | 249 |
| Fresno‐Field | Fresno, Bakersfield | 2.3 | 108 |
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