Native vs Foreign Scandinavians - why the *huge* literacy gap?

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via The OECD survey for Adult skills, we have this visualization showing literacy and numeracy in different countries.  Particularly weird (to me at least) is the following

  • Finland / Norway / Sweden have - by far - the biggest gap in literacy and numeracy between the native and foreign born 
  • Norway has the biggest gap in literacy and numeracy between men and women
Seriously, whats up w/ Scandinavia?

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