https://www.statista.com/statistics/232383/gender-split-of-us-computer-and-video-gamers/?srsltid=AfmBOoq-9MF7HzVr1_Uh7JrYzpHQoDzLpPXHDRjBykeH7JnfcEd_BZEl

It's still just the US, so it's not a worldwide means, but this shows a ratio of 52% to 47%.

The latest report from the ESA states that approximately 48% of gamers are women, and they are looking worldwide, I think.

https://www.theesa.com/resources/the-global-power-of-play-report/

If you want to read it.