List of the top 100 Twitter cities in the world

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While Twitter started in the US, it is now a global activity. Below, courtesy of Twitter Grader’s Top Cities, is the list of the current top 100 cities in the world on Twitter, based on the total number of users who put that city in their location setting.

We have color-coded it to make it easier to see the distribution:
North America: 52 (of which 5 in Canada)
Europe: 20 (of which 9 in UK)
Asia: 16
Latin America: 7
Oceania: 5

See below for the full list. How does your city rank? Is it higher or lower than you would expect?