The mechanism
Since January 2026, one album unit equals 1,000 paid or subscription on-demand streams, or 2,500 ad-supported on-demand streams, of songs from the album. A paid stream therefore counts two and a half times as much as a free one. YouTube data stopped counting toward US Billboard charts on 16 January 2026, after YouTube objected to that weighting.
A worked example
Drake's Iceman earned 463,000 units in its first week in May 2026, of which 449,000 came from streaming and 13,000 from album sales, per Billboard figures reported by Complex. Plays on YouTube, by contrast, contribute nothing to a US Billboard chart in 2026, however large the premiere.
What it is confused with
- Album sales Sales are one input. A No. 1 album can sell a few thousand copies and still debut on top because streams are converted into units.
- A stream count Streams are weighted by how they were paid for, so two albums with the same stream count can earn different unit totals.
Why it matters
Chart positions are the most quoted numbers in music, and they are built on a weighting choice. Knowing the formula tells you which kind of listening a chart rewards and why an artist might release where the chart cannot see.
Sources: Billboard: charts add more weight to on-demand streaming in 2026 · Music Business Worldwide: YouTube pulls its data from US Billboard charts · YouTube: update on Billboard charts
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