List of Billboard Hot 100 number ones of 2014

Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming.

In total, thirteen acts topped the chart as either lead or featured artists, with six—Juicy J, John Legend, Iggy Azalea, Charli XCX, Magic!

Pharrell Williams' "Happy" was the longest-running number-one of the year, leading the chart for ten weeks; it subsequently topped the Billboard Year-End Hot 100.

[3] Azalea became the fourth solo female rapper to top the chart when "Fancy" reached number one in June, a feat previously achieved only by Lauryn Hill, Lil' Kim and Shawnna.

[6] In doing so, Swift became the first female artist in the history of the Hot 100, and tenth act overall, to replace herself at the top of the chart.

" Happy " by Pharrell Williams ( pictured ) spent ten weeks at number one on the Hot 100, the longest of any single in 2014. It later ranked as the best-performing single of the year. [ 1 ]
Taylor Swift became the first woman to replace herself at number-one after " Blank Space " dethroned " Shake It Off " from the top spot. [ 6 ]
John Legend earned his first number-one with " All of Me " after a thirty-week climb to the top, the third-longest of any song in Hot 100 history. [ 3 ]
In its sixth week on top, " Fancy " by Iggy Azalea ( pictured ) featuring Charli XCX became the longest-reigning number-one single by a female rapper. [ 5 ]
Meghan Trainor earned her first number-one with her debut single " All About That Bass ", which led the Hot 100 for eight weeks. [ 9 ]