Through the first 21 weeks available worldwide the PlayStation 5 is ahead of the Switch and Xbox Series X|S by a fair margin. The PS5 is ahead of the Switch by 2.42 million units and is 2.67 million units ahead of the Xbox Series X|S. The Switch is ahead of the Xbox Series X|S by 252,121 units.
The PS5 has sold 7.10 million in 21 weeks worldwide, while the Switch sold 4.68 million units and the Xbox Series X|S 4.43 million units.
Looking at the marketshare through 21 weeks, the PlayStation 5 currently leads. The PS5 has a 43.8 percent marketshare, the Switch sits at 28.9 percent, and the Xbox Series X|S at 27.3 percent.
source: gamezpot.com