27,472 album-equivalent units of Dissimulation were sold in the UK in its first week, out of which 6,340 came from digital downloads, 19,332 came from streaming-equivalent sales and 1,800 came from CDs that were released mid-week, making the album both the most digitally downloaded and the most streamed album of the week in the UK. It is the only debut album of 2020 to make the Top 100 for the first six months of 2020.

KSI’s record has 48,658 sales so far, according to the Official Charts Company. KSI, real name Olajide Olayinka Williams "JJ" Olatunji, was born in London, England on June 19 1993 and raised in Watford, Hertfordshire.