This data is including track equivalent albums and streaming equivalent albums:
Quote:
In terms of overall consumption, Beyoncé’s self-titled album, which took the world by surprise on release, dominates the category with 3.2 million albums* sold to date. Sam Smith’s In the Lonely Hour has sold 2.3 million albums* since its May release, and Ed Sheeran’s X, released in June 2014, follows with 1.8 million albums* sold.Pharrell Williams’ album, G I R L has sold 591,000 albums, but its monster hit “Happy”—with 6.6 million track sales and 246 million streams—drives sales up to 1.6 million albums*.
Meanwhile, nominee Iggy Azalea had a number of tracks in the top 10 singles chart this year—all from her album The New Classic, which has sold 1.6 million total albums* since its April release. Bastille’s Bad Blood, released in March, has sold 1.3 million* to date, and its top single “Pompeii” has 164 million streams to date.
ALBUMS + SEA + TEA
Beyoncé, 'BEYONCE' 3,200,000
Sam Smith, 'In The Lonely Hour' 2,300,000
Ed Sheeran, 'x' 1,800,000
Pharrell Williams, 'G I R L' 1,600,000
Iggy Azalea, 'The New Classic' 1,300,000
Bastille, 'Bad Blood' 1,300,000