By giving the final PS2 numbers, Jim Rayan also give the final PS Vita number:
Cumulative worldwide sell-through of overall PlayStation hardware as of July 22 2018
- PlayStation®: 102.49M
- PlayStation®2: 160M
- PSP® (PlayStation®Portable): 82.52M
- PlayStation®Vita: 11.5M
- PlayStation®3: 87.4M
- PlayStation®4: 81.2M
Total give 525.11M while Sony give 525.3M in the PR so this is close enough.
August 9, 2018 – Sony Interactive Entertainment (SIE) today announced that it will introduce a specially designed PlayStation®4 Pro (PS4™Pro) “PlayStation®4 Pro 500 Million Limited Edition” (HDD 2TB) from August 24, 2018, and will be available at a manufacturer’s suggested retail price of 49,980...
sonyinteractive.com
Given it's sell-trough and not sell-in and that PS Vita was not yet discountuned, PS Vita final number is slighty over that so the best number to kept would be ~12M (2M less than Wii U basicly).
And since PS Vita was the last hardware with missing LTD here we are:
Cumulative Worldwide Hardware Unit Sales (estimate)
- PlayStation®: 102.49M (As of March 31, 2012)
- PlayStation®2: 160M (As of March 31, 2013)
- PSP® (PlayStation®Portable): 82.52M (As of March 31, 2015)
- PlayStation®3: More than 87.4M (As of March 31, 2017)
- PlayStation®Vita: 12M (As of March 31, 2019)
- PlayStation®4: More than 117M (As of June 30, 2022)
- PlayStation®5: More than 51.8M (As of Dec 31, 2023)
Sony have sold more than 613M consoles as of Dec 31, 2023.