The longest run on the official chart is from "Let It Go" by Idina Menzel with 8 weeks atop the chart. The longest consecutive run is by "Let It Go" by Idina Menzel with 8 weeks straight. The artist with the most weeks at #1 on the chart is Kanye West, who held the #1 spot with "FourFiveSeconds," "Only One," "New Slaves," "Black Skinhead," and "Bound 2" for a total of 12 weeks. The current chart leader is Stromae's "Carmen." To see the full Top 20 for each week, visit Ari's ATRL countdown. There have been 43 songs to lead the chart. Each song has led the chart for an average of 2.48 weeks.

Pre-Top 20 Data is taken from Last.fm and isn't included in the statistics above.

If including the pre-official chart data, then "Somebody That I Used To Know" has the most week at #1 with 9. The longest consecutive run would be held by "Let It Go" with 8 weeks straight. The artist with most weeks at #1 on the chart would be Kanye West with 12 weeks split between "Diamonds," "Only One," "New Slaves," "Black Skinhead," and "Bound 2." There would have been 82 songs to lead the chart.

† - Songs that débuted at #1

• 30 weeks - Kanye West
• 13 weeks - Gotye
• 11 weeks - Taylor Swift
• 7 weeks - deadmau5
• 5 weeks - Kinetics & One Love
• 5 weeks - Idina Menzel

• 9 weeks - Gotye (April 29 - June 24, 2012)
• 6 weeks - Kanye West (June 2 - July 7, 2013)
• 5 weeks - Kanye West (September 15 - October 13, 2013)
• 5 weeks - Idina Menzel (February 23 - March 23, 2014)

• 22 weeks - Yeezus - Kanye West
• 11 weeks - >Album Title Goes Here< - deadmau5
• 11 weeks - You Are Not Alone< - Kinetics & One Love
• 10 weeks - Making Mirrors - Gotye
• 9 weeks - Frozen - Soundtrack
• 7 weeks - Something Real / Here, Here, & Here - Meg & Dia
• 6 weeks - 1989 - Taylor Swift
• 5 weeks - Empire: Original Soundtrack from Season One
• 5 weeks - LP1 - FKA twigs

• 9 weeks - Making Mirrors - Gotye (April 29 - June 24, 2012)
• 9 weeks - You Are Not Alone - Kinetics & One Love (September 16 - November 11, 2012)
• 9 weeks - Yeezus - Kanye West (November 24, 2013 - January 19, 2014)
• 9 weeks - Frozen - Soundtrack (January 26 - March 23, 2014)
• 5 weeks - >Album Title Goes Here< - deadmau5 (July 1 - July 29, 2012)
• 5 weeks - LP1 - FKA twigs (January 25 - February 22, 2015)

• 8 weeks - "Let it Go" - Idina Menzel
• 7 weeks - "King" - Years & Years
• 6 weeks - "Avril 14th" - Aphex Twin
• 6 weeks - "Bound 2" - Kanye West
• 5 weeks - "Ain't it Fun" - Paramore
• 5 weeks - "I Know Places" - Taylor Swift
• 5 weeks - "Whoa Whoa Whoa" - Watsky
• 4 weeks - "Safe and Sound" - Capital Cities
• 4 weeks - "Only One" - Kanye West / Paul McCartney

• 9 weeks - Idina Menzel ("Let It Go" + "Defying Gravity")
• 7 weeks - Paul McCartney ("Only One" + "FourFiveSeconds")
• 7 weeks - Kanye West ("Only One" + "FourFiveSeconds")
• 6 weeks - Taylor Swift ("Out Of The Woods" + "I Know Places")
• 6 weeks - Years & Years ("King")

• 40 weeks - "Waves" - Mr. Probz / Robin Schulz (#1-2)
• 26 weeks - "Fancy" - Iggy Azalea / Charli XCX (#1-1)
• 26 weeks - "Sloppy Seconds" - Watsky (#2)
• 25 weeks - "Prayer in C" - Robin Schulz / Lilly Wood (#1-3)
• 23 weeks - "Uptown Funk" - Mark Ronson / Bruno Mars (#1-3)
• 21 weeks - "New National Anthem" - T.I. / Skylar Grey (#2)
• 20 weeks - "Bound 2" - Kanye West (#1-6)
• 20 weeks - "Dark Horse" - Katy Perry / Juicy J (#1-2)
• 18 weeks - "A Day in the Life" - The Beatles (#2)
• 18 weeks - "Summer" - Calvin Harris (#1-2)
• 17 weeks - "Avril 14th" - Aphex Twin (#1-6)
• 17 weeks - "Far Nearer" - Jamie xx (#7)
• 17 weeks - "Hold My Liquor" - Kanye West (#2)
• 17 weeks - "Wolves" - Kanye West / Vic Mensa / Sia (#3)
• 16 weeks - "Cardboard Castles" - Watsky (#1-1)
• 16 weeks - "Family Business" - Kanye West (#2)
• 16 weeks - "One More Day (Stay With Me)" - Example (#1-2)
• 16 weeks - "Old School Love" - Lupe Fiasco / Ed Sheeran (#3)
• 16 weeks - "Shake It Off" - Taylor Swift (#2)
• 16 weeks - "Trap Queen" - Fetty Wap (#1-1)
• 15 weeks - "Let it Go" - Idina Menzel (#1-8)
• 15 weeks - "Stolen Dance" - Milky Chance (#1-1)
• 15 weeks - "Whoa Whoa Whoa" - Watsky (#1-5)

• 3 - "Let it Go" - Idina Menzel (#1-8) Demi Lovato (#8) Anais Delva (#12)
• 2 - "Bad Blood" - Taylor Swift (#4) Taylor Swift / Kendrick Lamar (#3) (Credited as the same on my chart)
• 2 - "Fancy" - Iggy Azalea / Charli XCX (#1-1) Rucka Rucka Ali (#11)
• 2 - "Safe and Sound" - Capital Cities (#1-4) Zendaya (#8)
• 2 - "Uptown Funk" - Mark Ronson / Bruno Mars (#1-3) Mark Ronson / Bruno Mars / Trinidad James (#7) (Credited as the same on my chart)
• 2 - "Waves" - Robin Schulz / Mr. Probz (#2) Robin Schulz / Mr. Probz / T.I. / Chris Brown (#1-2) (Credited as the same on my chart)

• #1 - "Iris" - Goo Goo Dolls

• "Bound 2" - Kanye West
• "Safe and Sound" - Capital Cities
• "Wrecking Ball" - Miley Cyrus
• "Let it Go" - Idina Menzel
• "10 Million People" - Example
• "Out of the Woods" - Taylor Swift
• "Beg For It" - Iggy Azalea / MØ
• "I Know Places" - Taylor Swift
• "Nothing To Lose" - Terrence Howard / Jussie Smollett

• 25 weeks - "Waves" - Mr. Probz / Robin Schulz / T.I. / Chris Brown
• 12 weeks - "Fancy" - Iggy Azalea / Charli XCX
• 11 weeks - "Cardboard Castles" - Watsky
• 11 weeks - "Stolen Dance" - Milky Chance
• 10 weeks - "Dark Horse" - Katy Perry / Juicy J

• 8 weeks - "Sloppy Seconds" - Watsky
• 5 weeks - "For the First Time in Forever (Reprise)" - Idina Menzel / Kristen Bell
• 4 weeks - "Shake It Off" - Taylor Swift

Special mention to "Trap Queen" which spent one week at #1 but 6 at #2.

• 24 weeks - "Sloppy Seconds" - Watsky
• 20 weeks - "Fancy" - Iggy Azalea / Charli XCX
• 17 weeks - "Bound 2" - Kanye West
• 16 weeks - "Avril 14th" - Aphex Twin
• 16 weeks - "A Day in the Life" - The Beatles
• 15 weeks - "Uptown Funk" - Mark Ronson / Bruno Mars
• 15 weeks - "Waves" - Robin Schulz / Mr. Probz

• 12 weeks - "Changed the Way You Kissed Me" - Example
• 11 weeks - "Gust of Wind" - Pharrell Williams / Daft Punk
• 9 weeks - "Tennis Court" - Lorde
• 8 weeks - "All I Want" - B.o.B
• 8 weeks - "Lost & Not Found" - Chase & Status / Louis M^tters

† - Songs currently charting

AshleeSimpsonFan's countdown here! The longest run on the chart is by Calvin Harris featuring Example with the song "We'll Be Coming Back" with ten non-consecutive weeks at #1. The current leader is "Sun Goes Down" by Robin Schulz and Jasmine Thompson.

† - Songs that débuted at #1

• Totals for Blank Space include the demo of the song, which propels it to #1 above "7/11" on November 30, 2014.
• Totals for "Bad Blood" include both the original and the remix, which sends its #1 total to 243 instead of simply 121

• "Pond Crossing" - 27 weeks T10, 1 week #1 (#1 Debut (14 Feb 2013))
• "Chased" - 29 weeks T10, 20 weeks #1 (#1 Debut (21 Feb 2013))
• "World Share Time" - 23 weeks T10, 2 weeks #1 (#2 Debut (21 March 2013))
• "Indagym" - 28 weeks T10, 2 weeks #1 (#2 Debut (4 April 2013))
• "Milkshake" - 16 weeks T10, 2 weeks #1 (#1 Debut (11 July 2013))
• "The Message" - 18 weeks T10, 4 weeks #1 (#1 Debut (25 July 2013))
• "Racks Anthem" - 18 weeks T10, 3 weeks #1 (#1 Debut (5 December 2013))
• "Never Never End" - 23 weeks T10, 11 weeks #1 (#1 Debut (19 December 2013))
• "Too Late" - 2 week T10 (#9 debut (January 9))
• "I Don't Care" - 23 weeks T10, 9 weeks #1 (#1 debut (February 13))
• "My Ex" - 5 weeks T10 (#3 debut (February 27))
• "Never Meant It" - 13 weeks T10, 7 weeks #1 (#1 debut (April 24))
• "Cue The Fanfare" - 2 weeks T10 (#7 debut (May 29))
• "Rebound" - 6 weeks T10, 1 week #1 (#1 debut (June 12))

• Ari Auris - "Chased" - 20 weeks
• Bahjat - "Never Never End" - 11 weeks
• Bahjat - "I Don't Care" - 9 weeks
• Bahjat - "Never Meant It" - 7 weeks
• Bon Jovi - "Stop Cheating" - 5 weeks
• Wasabi Boiz featuring A$AP Rocky - "Racks Anthem" - 5 weeks
• Wasabi Boiz - "The Message" - 4 weeks

• Bahjat - 27 weeks
• Ari Auris - 20 weeks
• Wasabi Boiz - 13 weeks
• Bon Jovi - 5 weeks
• SILYUS - 5 weeks