The EU is trying to do this at an EU level (and has been for years). As well as an individual country level, Sweden seems likely to pass a similar law in 2026.

https://www.europol.europa.eu/media-press/newsroom/news/european-police-chiefs-call-for-industry-and-governments-to-take-action-against-end-to-end-encryption-roll-out

https://www.forbes.com/sites/digital-assets/2024/05/07/european-threat-to-end-to-end-encryption-would-invade-phones/

https://www.theregister.com/2025/02/26/signal_will_withdraw_from_sweden/

https://www.wired.com/story/europe-break-encryption-leaked-document-csa-law/