US - 1.14-1.35M (Up to 28th Nov)
UK - >250k (First week beats PS4 - up to Nov 21st)
Japan - 213k (Up to Dec 5th)
France - 107k (First week sales - up to Nov 21st)
Spain - 43k (First week sales - up to Nov 21st)
Total of at least 1.75M confirmed sales from these markets.
As for XBS:
US - <900k (Up to 28th Nov)
UK - 155k (Launch sales - up to 11th Nov)
Japan - 29k (Up to Dec 5th)
France - 37k (First week sales - up to Nov 14th)
Spain - 14k (First week sales - up to Nov 14th)
No minimum here due to no lower bound on US, but fair to say its ~900k and call it 1.13M confirmed sales from these markets.
Update on this
UK now 430k as of end of 2020
Japan 265k as of Jan 3rd.
Spain 73k as of Dec 12th
This update adds 260k sales for a new minimum 2.01M confirmed PS5 sales. Missing Nov for most smaller markets and Dec for everywhere outside of UK and Japan. I'm now thinking PS5 will come in lower than PS4 as of the end of the year. PS4 was 4.2m sell-through and 4.5m shipped. I think PS5 will be somewhere around 4m sell-through and 4.2m shipped.
Xbox is now at 300k in the UK, 31k in Japan, 22k in Spain in the same period. So this update adds 155k sales and we're now at ~1.19M confirmed sales for XBS. I'm thinking XBS will also miss XB1's 3m shipped, probably around 2.75m shipped.
So an update now we have the US, as of the end of 2020, for PS5:
US 1958k
UK 430k
Japan 265k
Spain 78k
Total from these four = 2.73M. Total known sales = 2.84M (add 107k France first week).
PS4 had at the end of 2013:
US 2003k
UK 580k
Japan 0
Spain 150k
Total from these four = 2.73M. So PS4 and PS5 are identical in these markets. The trend is downwards for existing markets though, as Japan is new. Does lead me to thinking that PS5 will be down from the 4.2M of PS4. Sticking with my ~4.0M estimate.
Now for XBS:
US 1492k
UK 300k
Japan 31k
Spain 30k
Total from these four = 1.85M. Total confirmed = 1.89M (add France first week).
XB1 in 2013 had:
US 1813k
UK 400k
Japan 0
Spain 30k
Total = 2.24M. So XBS is down by 390k in these four markets, and this includes possibly its biggest "new" market compared to XB1 launch. I think my estimate of 2.75M stands, it might be a little bit lower actually, lets say 2.6M sell-through WW.