Viagogo collected ticket sales data to find who are this year’s highest-selling black artists in the world.  Here are the Top 20:     1.  Travis Scott   2.  Usher   3.  Akon   4.  Bryson Tiller   5.  Ne-Yo   6.  Lenny Kravitz   7.  Chris Brown   8.  Nicki Minaj   9.  PartyNextDoor   10.  Childish Gambino   11.  Nas   12.  Burna Boy   13.  The Weeknd   14.  D-Block Europe   15.  Janet Jackson   16.  Rod Wave   17.  Raye   18.  Nines   19.  Doja Cat   20.  Mariah Carey     (You can see the complete list here.  There are also lists for the highest-selling Black female artists and Black British artists, and the most-searched Black artist.)