1 (1/6-3/10, 10 weeks) Bruno Mars - Locked Out of Heaven
#1x2 (1/6-13)
2 (1/6-27, 4 weeks) Rihanna - Diamonds
#2 (1/6)
3 (1/6-3/24, 12 weeks) Taylor Swift - I Knew You Were Trouble
#3 (1/6)
4 (1/6-2/17, 7 weeks) The Lumineers - Ho Hey
#3x3 (1/13-27)
5 (1/6-5/12, 19 weeks) Macklemore & Ryan Lewis - Thrift Shop (featuring Wanz)
#1x6 (1/20-2/10, 3/24-31)
6 (1/6-27, 4 weeks) Phillip Phillips - Home
#6 (1/6)
7 (1/6-2/10, 6 weeks) Justin Bieber - Beauty & a Beat (featuring Nicki Minaj)
#7x3 (1/6, 1/27-2/3)
8 (1/6-3/17, 11 weeks) will.i.am - Scream & Shout (featuring Britney Spears)
#3x2 (2/3-10)
9 (1/6, 1 week) Maroon 5 - One More Night
#9 (1/6)
10 (1/6-13, 2 weeks) Flo Rida - I Cry
#10x2 (1/6-13)
11 (1/13-2/10, 3/3, 7 weeks) Swedish House Mafia - Don't You Worry Child (featuring John Martin)
#6x3 (1/27-2/10)
12 (1/20, 2/10-4/28, 13 weeks) Justin Timberlake - Suit & Tie (featuring JAY Z)
#3x2 (3/24-3/31)
13 (1/27-2/3, 2 weeks) A$AP Rocky - Problems (featuring Drake, 2 Chainz & Kendrick Lamar)
#8 (2/3)
14 (2/3, 1 week) P!nk - Try
#9 (2/3)
15 (2/3, 1 week) Calvin Harris - Sweet Nothing (featuring Florence Welch)
#10 (2/3)
16 (2/10, 1 week) Maroon 5 - Daylight
#7 (2/10)
17 (2/10-5/26, 16 weeks) Bruno Mars - When I Was Your Man
#1 (4/7)
18 (2/17-4/7, 8 weeks) Bauuer - Harlem Shake
#1x5 (2/17-3/17)
19 (2/17-6/2, 16 weeks) Rihanna - Stay (featuring Mikky Ekko)
#3x2 (2/17, 4/28)
20 (2/17-4/21, 10 weeks) Drake - Started from the Bottom
#6x3 (2/24-3/3, 3/17)
21 (2/24, 3/10-24, 4 weeks) Lil Wayne - Love Me (featuring Drake & Future)
#9x2 (3/10, 3/24)
22 (3/17-6/23, 15 weeks) P!nk - Just Give Me a Reason (featuring Nate Reuss)
#1x3 (4/14-28)
23 (3/24-5/5, 7 weeks) Pitbull - Feel This Moment (featuring Christina Aguilera)
#8x3 (3/24, 4/14, 4/28)
24 (3/31, 4/28-9/1, 20 weeks) Imagine Dragons - Radioactive
#3x4 (6/23, 7/21, 8/4-11)
25 (3/31, 6/9-16, 6/30, 4 weeks) Ariana Grande - The Way (featuring Mac Miller)
#9x2 (6/9-16)
26 (4/7-7/28, 17 weeks) Macklemore & Ryan Lewis - Can't Hold Us (featuring Ray Dalton)
#1x5 (5/5-6/2)
27 (4/7, 5/5-7/28, 14 weeks) Florida Georgia Line - Cruise (featuring Nelly)
#4 (6/23)
28 (4/14-7/21, 15 weeks) Justin Timberlake - Mirrors
#2 (6/2)
29 (4/14, 1 week) Demi Lovato - Heart Attack
#10 (4/14)
30 (4/21, 1 week) PSY - Gentleman
#5 (4/21)
31 (4/28-6/16, 8 weeks) Icona Pop - I Love It (featuring Charli XCX)
#7x2 (5/5, 5/26)
32 (5/12-7/7, 9 weeks) Selena Gomez - Come & Get It
#6x2 (5/12, 5/26)
33 (5/19-8/25, 15 weeks) Daft Punk - Get Lucky (featuring Pharrell Williams)
#2x5 (6/16-7/14 - please note that I gave "Pharrell Williams" credit as "Pharrell" in amount of Top 10 entries along with "Blurred Lines", so he gets 2)
34 (6/2-9/8, 15 weeks) Robin Thicke - Blurred Lines (featuring T.I. & Pharrell)
#1x12 (6/9-8/25)
35 (6/23-9/1, 11 weeks) Miley Cyrus - We Can't Stop
#2x3 (7/21, 8/4-11)
36 (6/23-8/18, 9 weeks) Bruno Mars - Treasure
#5 (7/21)
37 (7/7-8/18, 7 weeks) Anna Kendrick - Cups (from Pitch Perfect's "When I'm Gone")
#6x2 (8/4-11)
38 (7/14-9/8, 9 weeks) JAY Z - Holy Grail (featuring Justin Timberlake)
#4 (9/8)
39 (7/28, 1 week) One Direction - Best Song Ever
#2 (7/28)
40 (8/4-11, 2 weeks) Zedd - Clarity (featuring Foxes)
#8x2 (8/4-11)
41 (8/4-25, 9/8, 5 weeks) Capital Cities - Safe & Sound
#8 (8/25)
42 (8/4-11, 2 weeks) Maroon 5 - Love Somebody
#10x2 (8/4-11)
43 (8/18-9/8, 4 weeks) Katy Perry - Roar
#1x2 (9/1-8)
44 (8/18-9/8, 4 weeks) Lady Gaga - Applause
#4 (8/25)
45 (8/25-9/8, 3 weeks) Avicii - Wake Me Up
#5 (9/8)
46 (8/25-9/8, 3 weeks) Lana Del Rey - Summertime Sadness (featuring Cedric Gervais)
#6 (9/8)
47 (9/1-8, 2 weeks) Eminem - Berzerk
#3 (9/1)
48 (9/1-8, 2 weeks) Lorde - Royals
#3 (9/8)
49 (9/8, 1 week) Drake - Hold On, We're Going Home (featuring Majid Jordan)
#8 (9/8)
Artists with Top 10 Hits In 2013
Drake - 4 (13 weeks)
Justin Timberlake - 3 (32 weeks)
Bruno Mars - 3 (30 weeks)
Maroon 5 - 3 (4 weeks)
Macklemore & Ryan Lewis - 2 (30 weeks)
Rihanna - 2 (20 weeks)
JAY Z - 2 (22 weeks)
Pharrell (Williams) - 2 (17 weeks)
P!nk - 2 (16 weeks)
Imagine Dragons - 1 (20 weeks)
Wanz - 1 (19 weeks)
Ray Dalton - 1 (17 weeks)
Mikky Ekko - 1 (16 weeks)
Daft Punk - 1 (15 weeks)
Nate Reuss - 1 (15 weeks)
Robin Thicke - 1 (15 weeks)
T.I. - 1 (15 weeks)
Florida Georgia Line - 1 (14 weeks)
Nelly - 1 (14 weeks)
Taylor Swift - 1 (12 weeks)
Britney Spears - 1 (11 weeks)
Miley Cyrus - 1 (11 weeks)
will.i.am - 1 (11 weeks)
Selena Gomez - 1 (9 weeks)
Bauuer - 1 (8 weeks)
Charli XCX - 1 (8 weeks)
Icona Pop - 1 (8 weeks)
Anna Kendrick - 1 (7 weeks)
Christina Aguilera - 1 (7 weeks)
John Martin - 1 (7 weeks)
The Lumineers - 1 (7 weeks)
Pitbull - 1 (7 weeks)
Swedish House Mafia - 1 (7 weeks)
Justin Bieber - 1 (6 weeks)
Nicki Minaj - 1 (6 weeks)
Capital Cities - 1 (5 weeks)
Ariana Grande - 1 (4 weeks)
Future - 1 (4 weeks)
Katy Perry - 1 (4 weeks)
Lady Gaga - 1 (4 weeks)
Lil Wayne - 1 (4 weeks)
Mac Miller - 1 (4 weeks)
Phillip Phillips - 1 (4 weeks)
Avicii - 1 (3 weeks)
Cedric Gervais - 1 (3 weeks)
Lana Del Rey - 1 (3 weeks)
2 Chainz - 1 (2 weeks)
A$AP Rocky - 1 (2 weeks)
Eminem - 1 (2 weeks)
Flo Rida - 1 (2 weeks)
Foxes - 1 (2 weeks)
Kendrick Lamar - 1 (2 weeks)
Lorde - 1 (2 weeks)
Zedd - 1 (2 weeks)
Calvin Harris - 1 (1 week)
Demi Lovato - 1 (1 week)
Florence Welch - 1 (1 week)
One Direction - 1 (1 week)
PSY - 1 (1 week)