Eminem - Headlights (feat. Nate Ruess)
This is definitely the most powerful song released this decade. In this apology to his mother, Eminem raps the apology while Nate Ruess sings the amazing chorus. Though it wasn't a hit here in the US, this was my single most played song this year, and, had a certain artist not released an album this year, would be my #1 for sure. It's a shame it didn't go too far here in the US, though, only peaking at #45 on the Billboard Hot 100 and #24 on Mediabase Pop radio. That still doesn't change anything about this song being powerful and beautiful though, this is the best Eminem track ever.
Coldplay - A Sky Full Of Stars
Never did I think an EDM song would top my countdown. Though when I put this list together it seemed to me I was being biased because this was Coldplay, but this is really deserving of the best song of the year. That piano riff alone makes it better than every other song on this list (except for Headlights, of course). The lyrics are stupidly plain, but that doesn't even matter. The instrumental is the best thing released this year and the lyrics can't ruin that. I don't dislike the lyrics, they're just bland. Although, they do seem like traditional Coldplay lyrics. This ended up being their second biggest hit here in the US, peaking at #12 on Mediabase Pop radio (same as Viva La Vida) and #10 on the Hot 100 (for some weird reason... without that week, it would have peaked at #21.) This single slays entire careers and I'm happy I got to hear it this year and that it got so big here. Good job, Coldplay!