First year = 150 million consoles
Lifetime = 1 billion consoles
But seriously... we don't have a clue. It's hard to base on a shallow rumor because we still don't know price, all features, launch games and beyond, etc.
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won