 Aside from its Rhenish-Westphalian majority population in Mettmann, there are also communities of Turks, Kurds, Kashubians, Old Prussians, Silesians, Poles, Greeks, Croatians, Serbs, Albanians, Bosnians and Lebanese.Since German reunification Mettmann witnessed an influx of inhabitants of the new German "laender" due to the economic downturn in their home regions.Mettmann also hosts the Brazilian community featured in the German movie "Samba in Mettmann" by the German/Italian filmmaker duo Hape Kerkeling and Angelo Colagrossi.