Legend:
<ul><li>Orange: native language</li>
<li>Gold: Secondary language or non-official.</li>
<li>Red-orange square: German minorities</li></ul>
<a href="https://en.wikipedia.org/wiki/User:Ilario" class="extiw" title="en:User:Ilario">en:User:Ilario</a>.
CC BY-SA 3.0
<a href="https://en.wikipedia.org/wiki/Image:Map_German_World.png" class="extiw" title="en:Image:Map German World.png">en:Image:Map_German_World.png</a>