Nope, not outdated. And I do believe that US statistics are somewhat representative for North America and Europe, which is where most of Lemmy’s traffic comes from. But please, give me the statistics for your country, I’d be interested in seeing how they differ.
Edit: Have a look at this “Global Gamer Study”, the results don’t look all that different: https://newzoo.com/resources/blog/spotlighting-women-gamers-and-how-they-play-and-spend-on-video-games#:~:text=Out of the total cohort,people call them a gamer.
https://youtu.be/nqE5Nz5unco?si=33Dd9jmwQSGKEJ2N
Only one hour, but I found it interesting.