Here are the songs from 21-30 in the 2013 Billboard Hot 100 Year-End singles charts. For songs 31-40, 41-50, 51-60, 61-70, 71-80, 81-90 and 91-100, click on the highlighted numbers.
21. Anna Kendrick – Cups (Pitch Perfect‘s When I’m Gone).
22. Jay-Z feat. Justin Timberlake – Holy Grail.
23. will.i.am & Britney Spears – Scream & Shout.
24. Zedd feat. Foxes – Clarity.
25. AWOLNATION – Sail.
26. Swedish House Mafia feat. John Martin – Don’t You Worry Child.
27. Rihanna – Diamonds.
28. Icona Pop feat. Charli XCX – I Love It.
29. Capital Cities – Safe And Sound.
30. Bruno Mars – Treasure.