As projected, Drake's surprise mixtape If You're Reading This It's Too Late has debuted at No. 1 on the Billboard 200 album chart.

According to Nielsen SoundScan, the project's chart-topping start includes 535,000 units (495,000 digital albums sold and the rest from streaming equivalent albums).

The data includes sales and streaming from its purely digital release last Thursday night (Feb. 12) through Sunday night (Feb. 15). At press time, a physical release of the tape (Drake hasn't referred to this as an album) is not expected.

If You're Reading This' massive debut also ends Taylor Swift's 11-week reign atop the charts with 1989.