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  • Jason Mahoney

    An interesting metric. Two thoughts. 1 Per capita interests me more (foreign born as % of city population). 2 Intra-immigrant diversity (from how many different countries did they hail?)

  • Juliana Piesco

    I got really interested in this "hyperdiverse"concept. It's interesting that the main criteria is how many foreign-born inhabitants there are... This is actually a pretty cool criteria, but I think (I could be wrong) that foreign-born doesn't account totally for diversity, and also should be taken as the only criteria. Basically, I think that it also depends on who is migrating... for instance, you could have a lot of foreigners but from similar social-economic and even cultural background, for instance have lots of white, educated europeans living in a certain city... It would be very complicated to measure, but interesting to note the diversity among those foreigners.

    Also, I think that previous immigration should also count. For instance, many US/European cities currently have a lot of foreigners, but the people who were born there have a similar origin (that's not the case of other US cities, such as New York, that has had lots of immigration in the past). Some cities in South America, on the other hand, don't have a lot of foreigners, but their own cultural background is very diverse because of previous immigration – because I live here, I can mention Sao Paulo, that mixes all sorts of different cultures and has a lot of diversity.

    Just some food for thought. :)

  • zabe

    How can San Francisco with a total population of 825k have more than 1M foreign-born residents? Or Dallas/Ft Worth with total pop of 1.2M?

    If metro regions instead of cities are considered, then there are areas missing that are not constituted by just one city e.g. the Ruhr Region in Germany or cities with large metro regions in Asia like Bangkok Metro Region in Thailand. As it stands, this infographic gives an undue weight to a 'hyperdiverse' North America.

    • Tom Maybrier

      Thanks for pointing this out - it's always good to take these infographics with a grain of salt for just this reason - designers get "creative" with more than just the layout and the numbers aren't always what they seem.