The music charts produced by Ultratop organization are separated along regional-language boundaries, an unusual division that is justified by the cultural differences in Belgium.
[2] Ultratop creates charts based on record sales of around 500 retail outlets and legal digital downloads.
The combined number of Ultratop chart listeners on the various radio or TV stations exceeds two million every week.
[10] The predecessor prior to Ultratop was a nationwide (unified) Belgian chart which began to be compiled in 1961.
Compiled in Dutch, it covers weekly albums sales in Belgium's Dutch-speaking Flanders region.
Published in French, it covers weekly albums sales in Belgium's French-speaking Wallonia region.