Index Study Reveals the Most Popular Music Artists of the Century
Music is an age-old part of society, but over the past twenty-one years technology has made it more accessible with a variety of artists and genres at our fingertips. With this in mind, OnBuy.com were eager to find out the most popular music artists of the 21st century. To do so, data sourced from across the globe, via YouGov rankings, Instagram, Google search volumes, Spotify and YouTube, was normalised and weighted to establish a popularity score out of 1,000 for each of the millennial artists analysed.
The 10 Most Popular Music Artists of the 21st Century

Ranking second, with a score of 467, is Ed Sheeran who rose to fame in 2011 with his debut single “The A Team”. Sheeran holds the highest number of YouTube views, with over five billion on his single “Shape of You,” and the second highest amount of monthly Spotify listeners (over 55 million).
In third place is Katy Perry, with a popularity score of 449 out of 1,000. With 110 million Instagram followers and over three billion YouTube views on her 2013 hit‘Roar’,the new mother is a strong contender.
Beyonce stands as the fourth most popular artist of the century with a score of 418. Queen B is followed by Adele (384), Lady Gaga (376) and Shakira (348), respectively ranking fifth, sixth and seventh.
The 10 Least Popular Music Artists of the 21st Century
Rank | Artist | Popularity Score out of 1,000 |
1 | McFly | 12 |
2 | Busted | 16 |
3 | Paloma Faith | 39 |
4 | Olly Murs | 44 |
5 | Billie Piper | 49 |
6 | Lily Allen | 56 |
7 | Spice Girls | 56 |
8 | Tina Turner | 65 |
9 | Kelly Rowland | 71 |
10 | George Ezra | 74 |
Busted, a British pop punk band, rank as the second least popular with a score of just 16. Busted hold the second lowest YouTube views on their top hit “the year 3000,” with under 13 million views and the second lowest Spotify views (4 million).
Ranking third is Paloma Faith with a score of 39 out of 1,000, followed by Olly Murs in fourth with 44 points.
These two millennial musicians are followed by Billie Piper (49), Lily Allen (56), the Spice Girls (56) and Tina Turner (65), respectively ranking fifth, sixth, seventh and eighth.