Harry Styles' debut solo single "Sign Of The Times" has debuted at #1 in the UK.
He debuted at #1 with 62k in combined sales.
Last year, Zayn Malik debuted at #1 with 112k in sales.
Zayn still holds the record for first week debut solo single sales out of One Direction members.
Source: HITS Daily Double
Is Zayn Malik more popular than Harry Styles?