Where it comes from
The line in the source
発売初週に全世界で600万本（※）の販売本数を記録 In English
Recorded 6 million units worldwide in the first week (asterisk: Nintendo internal data)
Explore / Figure
Record
Worldwide first-week sales (combined), first week November 2019
6,000,000 units First week November 2019
ReportedReported by a reliable secondary source, or read carefully from filed documents.