The population density of Belgium is 376/km 2 (970/sq mi) as of July 1, 2020, making it the 22nd most densely populated country in the world, and the 6th most densely populated country in Europe. The most densely populated province is Antwerp, the least densely populated province is Luxembourg . This section needs to be updated.

This list of European countries by population presents the list of 50 countries and 8 territories and dependencies located in Europe, broadly defined. Transcontinental countries are included if they are members of the Council of Europe. The constituent countries of England, Northern Ireland, Scotland, and Wales are combined as the United Kingdom.

In 2007, there were 1.38 million foreign-born residents in Belgium, corresponding to 12.9% of the total population.

Belgium, officially the Kingdom of Belgium, is a country in Western Europe. It is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to the southwest, and the North Sea to the northwest.