The data shows the distribution of the total number of Facebook users in Belgium in 2017 and 2018, by age group. In 2017 and 2018, the number of 25 to 35 year olds using Facebook in Belgium surpassed the number of Facebook users in other age groups. As of 2018, there were 1.7 million Facebook users aged between 25 and 35 years old, whereas there were roughly half a million Facebook users in both the lower and upper age groups. Overall, usage of Facebook in Belgium increased across all age groups in 2018.
