From CES
Quote
PS4 has now cumulatively sold through more than 91.6 million units*1 globally as of December 31, 2018.https://www.prnewswire.com/news-releases/playstation-4-sales-surpass-91-6-million-units-worldwide-after-the-strong-holiday-season-300774260.html
Within the above number, PS4 has sold through more than 5.6 million unitsglobally during the 2018 holiday season
More than 50.7 million*4 PS4 games were sold through globally during the 2018 holiday season, which sums up to 876 million* PS4 games cumulatively sold through worldwide as of December 31, 2018.
Marvel's Spider-Man, launched in September 2018, has cumulatively sold through more than 9 million copies*6 worldwide as of November 25, 2018.