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How could the demographic winter come early for Europe so that in present day their population was look like or worst than Japan's ageing one, how would that effect the economy and the EU's attitude to immigration.

Info population pyramid of western Europe as off 2015 the challenge is to get Males and females in age groups 20-24 and under to make up about 2% of the total population http://populationpyramid.net/western-europe/2015/
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