There's a new Atlas of Urban Expansion published and New Geography review it - including this piece of information:
Dhaka's urban density has risen three percent over the last 25 years, as much of the additional population has been housed in low-rise, unhealthful shantytowns (see: The Evolving Urban Form: Dhaka), where densities are reported to be as high as 2.5 million per square mile or 1 million per square kilometer (photograph above). This is 35 times the 70,000 per square mile density of Manhattan (27,000 per square kilometer) in 2010.The writer points out that Dhaka is an exception - most large cities are getting less dense. But nevertheless - wow.
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