Vielleicht hilft dir das:
<a href="http://en.wikipedia.org/wiki/List_of_urban_areas_by_population#Number_of_urban_areas_" target="_blank">http://en.wikipedia.org/wiki/List\_of\_urban\_areas\_by\_population#Number\_of\_urban\_areas\_</a>.28population_over_500.2C000.29_by_country
Number of urban areas (population over 500,000) by country
782 areas in total. Urban areas of Lille, Aachen, Saarbrücken and Geneva are counted twice below.
People's Republic of China (including Hong Kong and Macau): 136
European Union: 78
India: 73
United States (including Puerto Rico): 66
Russia: 38
Brazil: 33
Mexico: 27
Japan: 23
Nigeria: 17
Germany and Indonesia: 15
Iran: 14
France and Turkey: 12
Pakistan: 11
Ukraine and the United Kingdom: 10
Spain: 9
Canada, Colombia and the Republic of Korea (South Korea): 8
Argentina, Italy, Morocco, Poland, South Africa and Venezuela: 7
Republic of China (Taiwan), Democratic Republic of the Congo, Iraq and Saudi Arabia: 6
Australia: 5
Bangladesh, Egypt, Kazakhstan, Democratic People's Republic of Korea (North Korea), Malaysia, Peru, Philippines, Vietnam and Yemen: 4
Algeria, Belgium, Bolivia, Chile, Israel, Netherlands and Syria: 3
Angola, Belarus, Cameroon, Republic of the Congo, Dominican Republic, Ecuador, Ghana, Greece, Kenya, Libya, Malawi, Myanmar, Portugal, Senegal, Sweden, Switzerland, Thailand, United Arab Emirates, Uzbekistan and Zimbabwe: 2
73 other countries: 1