How many people speak Dutch in the world?
Based on estimates from several sources there are currently 23-28 M people speaking Dutch in the world.
What countries speak Dutch?
The countries where Dutch is spoken include the Netherlands a.k.a. Holand, Belgium, Suriname, Indonesia, Aruba, Curacao, Sint Maarten, and French Flanders.
What languages are similar to Dutch?
English and German are languages that can be considered similar to Dutch. They stem from the Indo-European language family. More specifically, they stem from the West Germanic language.