Canada and Australia are jumping in [2] [3].
[0]: https://ec.europa.eu/commission/presscorner/detail/en/ip_25_...
[1]: https://www.twobirds.com/en/insights/2024/france/la-loi-sren...
[2]:https://facia.ai/news/canada-proposes-age-checks-for-online-...
[3]: https://www.abc.net.au/news/2025-07-11/age-verification-sear...
The best path is one of calamitous implementation that scares off other countries and embarrasses this one into a u-turn. But it's increasingly unlikely.