Nah, Wordpress themselves claimed 40% in 2021 (https://wordpress.org/40-percent-of-web/ https://wordpress.org/40-percent-of-web/). The big caveat of course is

Nah, Wordpress themselves claimed 40% in 2021 (https://wordpress.org/40-percent-of-web/ https://wordpress.org/40-percent-of-web/). The big caveat of course is that wordpress being installed on a domain does not mean that entire domain is powered by wordpress. I'd bet for most of them it's just the landing/marketing pages and/or a blog section.