What’s the top 4o in Britain?
A list of the top 40 selling singles and downloads.
It’s called the “Official UK Top 40” Singles:
http://www.bbc.co.uk/radio1/chart/singles/
Albums:
http://www.bbc.co.uk/radio1/chart/albums/
There are many other different types of top 40s but this is the main and official one. It’s takes into account both download and CD sales.