This Twitter user here also mentions that physical + digital sales should be around 240k to 280k in Japan and it only needs 100k more to become the best selling SMT game in Japan:
Shin Megami Tensei V has shipped over 800K copies,— Nocturnal (@Noshten) January 1, 2022
Shipments + digital in Japan is around 240K to 280K, SMT V needs to ship over 100K additional units in the coming years to become the best selling game in the series there
Globally it's already #1https://t.co/nsWrfUq9WB
Pretty amazing. But any idea where he got those numbers? I can't find any source. Are these reliable?