Lorde (Royals) – 38,979
Katy Perry (ROAR) – 28,269
Miley Cyrus (Wrecking Ball) – 27,106
Avicii (Wake Me Up) – 21,274
Drake (Hold On, We’re Going Home)– 17,092
Eminem (Berzerk) – 14,573
Katy Perry (Dark Horse) – 13,399
Mike Will Made-It (23) – 12,189
Jay Z (Holy Grail) – 11,446
AWOLNATION (Sail) – 7,237
Capital Cities (Safe & Sound) – 7,237
Passenger (Let Her Go) – 6,861
Imagine Dragons (Radioactive) – 6,333
Paramore (Still Into You) – 5,263

For instance, Katy Perry’s single ROAR had 28,269 paid downloads on iTunes within the last 24 hours. Lorde’s single Royals had 38,979 paid downloads.