May 24, 2011 5:25 pm

European immigration: the numbers

Explore immigration in Europe on a country by country basis with this interactive graphic

Passport-free travel, one of the cornerstones of European integration, is under threat.

The 1995 Schengen Agreement allows for the free movement of people and goods across a bloc that has gradually grown to include the majority of EU member states along with Switzerland, Norway and Iceland.

But concerns about immigration, exacerbated by the upheaval in north Africa and the economic crisis has seen demands for the strengthening of borders.

But to what extent is the profile of European immigration really changing? This graphic explores historic immigration in Europe on a country by country basis.

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