so according to Nintentdo's latest Financial Results Briefing, Nintendo is estimating that the global sell-through of Super Mario Odyssey has already exceeded 2 million units in just its first 3 days.
[PDF, page 13]
more interesting tidbits:
"You might think that the Fire Emblem series is more
popular within Japan, but the share of sales overseas for
Fire Emblem Heroes is steadily growing. As you can see,
the overseas share of total sales has been expanding for
the past several months and has exceeded sales in
(Page 3 of the same PDF)
staticsafe's personal Mastodon instance.