Replicant on 19 August 2018
I'll try to stick with my prediction from 1 year ago.
Switch:
USA: 30 M
Europe: 25 M
Japan: 25 M
Other: 10 M
Total: 90 M
PS4:
USA: 40 M
Europe: 45 M
Japan: 10 M
Other: 25 M
Total: 120 M
XB1:
USA: 33 M
Europe: 17 M
Japan: 0 M
Other: 10 M
Total: 60 M