2003. I don't even need to look over the list of #1 singles from either year. I've lived both and can say that the overall music scene 10 years ago was lightyears better than today...and 2003 wasn't even that great honestly, but hell music of 2008-2013 has been sewer level.

(B2K) Bump, Bump, Bump vs. Locked Out of Heaven
(Jennifer Lopez) All I Have vs. Thrift Shop
(50 Cent) In Da Club vs. Harlem Shake
(Sean Paul) Get Busy vs. When I Was Your Man
(50 Cent) 21 Questions vs. Just Give Me a Reason
(Clay Aiken) This Is The Night vs. Can't Hold Us
(Beyonce) Crazy In Love vs. Blurred Lines
(Nelly/P.Diddy) Shake Ya Tailfeather vs. Roar
(Beyonce) Baby Boy vs. Wrecking Ball
(Ludacris) Stand Up vs. Royals
(OutKast) Hey Ya! vs. The Monster

If I bolded neither it's because they're equally

(B2K) Bump, Bump, Bump vs. Locked Out of Heaven I haven't heard either songs
(Jennifer Lopez) All I Have vs. Thrift Shop
(50 Cent) In Da Club vs. Harlem Shake
(Sean Paul) Get Busy vs. When I Was Your Man
(50 Cent) 21 Questions vs. Just Give Me a Reason
(Clay Aiken) This Is The Night vs. Can't Hold Us
(Beyonce) Crazy In Love vs. Blurred Lines
(Nelly/P.Diddy) Shake Ya Tailfeather vs. Roar
(Beyonce) Baby Boy vs. Wrecking Ball
(Ludacris) Stand Up vs. Royals
(OutKast) Hey Ya! vs. The Monster

2003 -4
2013 - 6

But Urban radio doesn't use Eminem. The Monster is only getting some Urban play because of Rih