Quote:
Originally Posted by daniel
They are using very different definitions for each country. For the US they use the most expansive CSA, but for example in Israel the use some kind Urban area criteria causing Tel aviv to show 2.7M. A similar definition to the US would mean over 4M.
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Demographia is sensible to inputs. I once e-mailed them, about some US areas, they've answered and corrected on the next edition. They also have a more careful look than CityPopulation.
Despite some problems here and there, both are very good studies, that's why I believed they worth a thread.