https://www.polygon.com/2018/12/18/18146266/super-smash-bros-ultimate-sales-nintendo-switch

Nintendo has announced that the Nintendo Switch is the fastest-selling video game system of this generation, according to data from The NPD Group.

“From its launch in March 2017 through November 2018, Nintendo Switch has sold more than 8.7 million units, outpacing U.S. sales of all other current-generation systems at the same point in their life cycles,” Nintendo said in a statement.