Total sales for Super Mario Odyssey have topped 1,055,806 in Japan since its October 27 release, not including download sales, according to the latest Famitsu sales numbers.
https://www.famitsu.com/news/201712/20148563.html
Switch hardware sales have reached 2,988,399 units in Japan since the hardware launched on March 3. The system sold 230,000 units last week.
For comparison’s sake, total Wii U sales in Japan are currently at 3.3 million. PlayStation 4, which launched in February 2014, is currently at 5.7 million sales.