The Nintendo Switch console launched worldwide on March 3, 2017, and it sold an estimated 330,637 units in Japan within three days of its launch. Sales surpassed 500,000 units in Japan in four weeks — outpacing Sony’s PlayStation 4 over the same time period — and surpassed 1 million units in Japan by June 2017. The Nintendo Switch had outsold the Wii U console, which has sold 13.56 million units worldwide, as of December 2017.