During the month of May 2019, the Switch outsold the PlayStation 4 by 110,379 units for the month and the Xbox One by 689,347 units. The PlayStation 4 outsold the Xbox One by 578,968 units.
When you compare monthly sales to a year ago, the Switch is up, while the PlayStation 4 and Xbox One are down. The Nintendo Switch is up 283,994 units, the PlayStation 4 is down 107,036 units and the Xbox One is down 43,032 units
Taking a look at the marketshare, the Switch managed to achieve 47 percent. The PlayStation 4 accounted for 42 percent of the consoles sold, and the Xbox One just 11 percent.
The PlayStation 4 and Xbox One launched in November 2013, while the Switch launched in March 2017.
As a reminder VGChartz tracks consoles sold to consumers and not units shipped.