I'd like to share one more tweet from our guy Zhuge The PR also notes.
1. This is the record opening for a Switch title globally, beating Smash Ultimate's record of 5m.
2. The game has sold 2 million units in Japan in its first week.
For reference- X&Y sold 4m globally in its first week. pic.twitter.com/vNloYs4kdP
The PR also notes.