PS5 has the software. It's hardware is incredibly stock constricted, so you won't see software climb until hardware does.
Numbers from Capcom Leak:
PC USA: 1.616mil
PC EU: 1.570 mil
PC Asia: 2.531 mil
PC NonJP Total: 5.717 mil
Sony USA: 2.392 mil
Sony EU: 1.702 mil
Sony Asia: 1.414 mil
Sony NonJP Total: 5.509 mil
PC Japan: 236k
Sony Japan: 3.184mil
Guess it DID sell well in Jp.
Iceborne Leaked Sales
PC USA 748k
PC EU 529k
PC Asia 1036k
PC Jp 137k
Sony USA 741k
Sony EU 453k
Sony Asia 792k
Sony Jp 2559k
And because I missed it last time:
Xbox Base Game 1.789 mil
Xbox IB 448k
MHW
PC Total: 5.943 mil
PS4 Total: 8.693 mil (not sure if ME is included)
XB1 Total: 1.789 mil (not sure if ME is included)
PS4 : PC : XB1 -> 53% : 36% : 11%
Total: 16.425 mil
MHW: IB
PC Total: 2.450 mil
PS4 Total: 4.545 mil (not sure if ME is included)
XB1 Total: 0.448 mil (not sure if ME is included)
PS4 : PC : XB1 -> 61% : 33% : 6%
Total: 7.443 mil
Also shows how many sales are missed on Media Create:
MHW : 600k missed
IB : 2 mil missed