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In page Demographics of Austria:

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Of these new citizens 110,000 came from the former Yugoslavia and 90,000 from Turkey.[citation needed] Considering pre-1985 naturalizations, in 2005 at least 18% (in Vienna more than 30%) of the population was either foreign or of foreign origin. Native Austrians have had stagnant demographics since World War I, and have been in absolute decline since the 1970s.[citation needed]