Here is some more on population in Germany as promised.
As of 2008, about 19% of the people living in Germany had an immigrant background – this means that either they themselves or at least one of their parents moved to the country from abroad. Numbers are regardless of whether they have German citizenship or not.
These are the top 10 countries:
1. Turkey
2. Italy
3. Poland
4. Russia
5. Serbia and Montenegro
6. Greece
7. Croatia
8. Bosnia and Herzegovina
9. Romania
10. Ukraine
Source: Federal Statistical Office