It gives you a brief description of what type of government it is and what their policies are. This site gives a brief history of the land and the hot spots for tourism. It gives you the average rainfall per year and what seasons are excellent for travel. It gives you excellent pictures to guide your decision making on where to go in the country. It is very important to know the population of the country you are studying.
Population can also be the source of many problems like starvation and lack of housing.
So facts about the population can be very beneficial to anyone studying Belgium.