Wikipedia notes that the figures from the source table should not be summed up, as there is likely significant overlap. While true, this has been done regardless for the sake of making a good quiz.
*800,000 people of German descent live in this country, across both continents it spans, but the number of native speakers is unknown. It is likely far lower.
Includes both Standard German and German varieties (for e.g. Low German)
Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.