French, 18%
Dutch, 9%
Italian, 7%
Russian, 6%
Spanish, 6%
Danish, 2%
Source: http://de.statista.com/statistik/daten/studie/1138/umfrage/fremdsprachenkenntnisse/
<language, speaker pop. and literacy in territory, plus references>
Review data; need to assess fluency level (18% French sounds high).
18% French sounds high
Don't forget the http://en.wikipedia.org/wiki/Élysée_Treaty
18% may be high for French, however, we didn't previous list French in Germany at all, so this is a better number than not having it at all. I've updated this. Also, the percentages are better than some raw pop numbers we had for the others, so I expect them to track better going forward.