Music streaming on services such as Spotify and Napster will be included in the UK singles chart from July 6.
The Official Charts Company will weight the streaming so that 100 plays amount to one physical sale to differentiate between buying one specific track and merely choosing to play it as part of a general service.
So far this year, the average weekly figures volume of streaming is 70 times greater than the combined sales of downloads and physical singles.
More top news
Remarkably mild for mid March
There's a wider purpose to Prince Charles' nine-day visit to Romania, Italy, Austria today.
A man and a woman, both in their early 20s, have been arrested in Birmingham on suspicion of terrorism offences.