Electronic Dance Music (EDM) festivals break attendance records and EDM triumphs on the U.S. charts as the Millennial generation’s “New Pop” unifies American music for the first time in ten years. Katy Perry and judges from The Voice are among the big chart winners, while Adele raises the bar for soulful female singers.

#1 Song of the Year   The top song according to our Chartcrush ranking of all Hot100 songs that earned the majority of their chart ranking points in the year

Artists of the Year   The top three artists based on all charted songs during the calendar year

1. Katy Perry
2. Rihanna
3. Bruno Mars

Artist with Most Charting Songs   Artist(s) with the most Hot100 charting songs during the year (song count in parentheses)

• Glee Cast (75)

Average #1 Artist Age   The average of how old artists who scored #1 Hot100 hits during the year were when their songs first reached #1

• 26.8 years

#1 Songs   List of Hot100 #1 songs that earned the majority of their chart ranking points in the year, and (in parentheses), the month the song first hit #1 and the total number of weeks it was #1

1. Bruno Mars – Just the Way You Are (October ’10, 4 wks)
2. Ke$ha – We R Who We R (November ’10, 1 wk)
3. Rihanna feat. Drake – What’s My Name? (November ’10, 1 wk)
4. P!nk – Raise Your Glass (December ’10, 1 wk)
5. Katy Perry – Firework (December ’10, 4 wks)
6. Bruno Mars – Grenade (January, 4 wks)
7. Britney Spears – Hold It Against Me (January, 1 wk)
8. Wiz Khalifa – Black and Yellow (February, 1 wk)
9. Lady GaGa – Born This Way (February, 6 wks)
10. Katy Perry feat. Kanye West – E.T. (April, 5 wks)
11. Rihanna feat. Britney Spears – S&M (April, 1 wk)
12. Adele – Rolling in the Deep (May, 7 wks)
13. Pitbull feat. Ne-Yo, AfroJack & Hayer – Give Me Everything (July, 1 wk)
14. LMFAO feat. Lauren Bennett & GoonRock – Party Rock Anthem (July, 6 wks)
15. Katy Perry – Last Friday Night (T.G.I.F.) (August, 2 wks)
16. Maroon 5 feat. Christina Aguilera – Moves like Jagger (September, 4 wks)
17. Adele – Someone like You (September, 5 wks)