TSMC invests $100 billion over 3 years:

https://www.reuters.com/article/us-tsmc-investment-plan-idUSKBN2BO3ZJ

South-Korea plans to invest $450 billion over 10 years:

https://www.extremetech.com/computing/322826-south-korea-commits-450-billion-to-chase-semiconductor-dominance

US plans to fund $50 billion for chip research over 5 years:

https://www.reuters.com/world/us/biden-jobs-plan-includes-50-bln-chips-research-manufacturing-2021-04-12/

EU commits to $145 billion investment for silicon:

https://www.eenewseurope.com/news/145bn-boost-europes-semiconductor-industry

China still 5 years behind in silicon says TSMC founder:

https://www.fudzilla.com/news/52752-china-five-years-behind-tsmc

China needs 5 to 10 years to catch up in silicon according to South China Morning Post:

https://www.scmp.com/tech/tech-leaders-and-founders/article/3024315/china-needs-five-10-years-catch-semiconductors

Complete home-grown Chinese silicon seems to be 28nm:

https://www.verdict.co.uk/china-chips-manufacture-technology/