1) The week before: Justin Bieber’s comeback effort Purpose had the highest-selling debut week of 2015; it sold 522,000 copies and 649,000 equivalent album units. He did not hold onto that title for long.
2) In 2000: *NSYNC’s No Strings Attached, sold 2,416,000 in it’s first weekat the music industry’s peak. Adele just broke that record earlier today and the week isn’t even out.
3) The other pop princess: Taylor Swift’s 1989 has sold 5.35 million copies in the 13 months since it came out. Adele sold nearly half that in two days.