First, many seem to forget that Nintendo themselves have already said they plan on keeping this console around longer than they usually do so if it get's 6 solid years of good to excellent support it will likely be in the 120 million range. The last couple years refreshes, special editions, price cuts, an amazing game, etc will easily push it to 140-150 range and it's last couple of years without new releases with a new console out it will likely end up as the best selling hardware of all time.
Nintendo with the Switch:







