Structure of the Population

One third of Belgian households are one-person householdsen

One third of Belgian households are one-person householdsen

On 1st January 2018, there were 4,911,973 private households in Belgium. 35 % of them were one-person households. These one-person households have increased by 1.3 % compared to the previous year. They are most common in the Brussels-Capital Region, where 46 % of the 547,679 private households are composed of only one person. It is also where the increase is the least significant (+0.5 %).

The Flemish Region registers 2,792,444 private households, 32 % of which are one-person households. In the Walloon Region, there are 1,571,850 private households, 36 % of which are one-person households.

On 1st January 2018, Belgium had 11,376,070 inhabitants.

According to official figures from Statbel, the Belgian statistical office, the legally resident population of Belgium was 11,376,070 on 1st January 2018, 51 % of which were women (or 5,778,164 in absolute figures) and 49 % were men (or 5,597,906), excluding the waiting register[1]. The Belgian population has grown by 53,982 persons, or 0.50 % on a yearly basis. This growth rate is fully in line with the growth of previous years, which also fluctuated around half a percent.


Age pyramid
Total population
Age group
Marital status

Purpose and brief description

Statistics on the structure and movement of the population issued by the Statistics - Statistics Belgium Office of the Dept. of Finance provide information on trends in the resident population figure as recorded on the National Register of Natural Persons (RNPP), defined by law. They contain essentially two types of measures: 1) measures relating to the population's characteristics at the beginning and middle of the year (i.e. 1 January and 1 July) and 2) measures relating to population changes by various event categories: births, deaths, immigration, emigration, changes in marital status or nationality.


Residents in Belgium


Six-monthly ; Yearly

Timing of publication

Results available 6 months after the reference period