As of 2023, Jay-Z has sold over 125 million records worldwide, making him one of the best-selling music artists of all time. His most successful albums include "Reasonable Doubt" (1996), "The Blueprint" (2001), "The Black Album" (2003), and "Watch the Throne" (2011), a collaborative album with Kanye West.
On the other hand, 50 Cent has sold over 30 million albums worldwide. His most successful album is "Get Rich or Die Tryin'" (2003), which sold over 13 million copies in the United States alone. Other successful albums by 50 Cent include "The Massacre" (2005), "Curtis" (2007), and "Animal Ambition" (2014).
While 50 Cent has achieved significant success in the music industry, his album sales are still lower compared to Jay-Z's.