That's the message of McKinsey Global Institute's report "Urban World: Cities and the rise of the consuming Class", June, 2012.

According to the Report, from 2010 – 2025 –

•    The GDP of the world’s top 600 cities will account for 65% of global growth, or by $30 trillion;

•  Of which the Emerging 400 cities will account for $23 trillion, or 47% of global growth;

•  Creating one billion new consumers by 2025;

•  60% of those will be in the Emerging 400;

•  Emerging 400’s annual consumption expected to rise by $10 trillion by 2025;

•  Global city expansion will need 85% more buildings, 80 billion cubic meters more water, and 2.5 times the current port infrastructure.

The implications for engergy, resources, business, geoeconomics and geopolitics are just beginning to emerge.

Download MGI-Urban world Full Report, June 2012