This question is one that constantly reappears with no finite answer… much of the decision has to do with one’s total finances available at retirement, along with their health history, ( I also believe it should include genetic history), as well as your current need for retirement funds versus future need… on one should meet with a financial advisor, and addressed all of these matters in a clear and concise way before they make a final decision which, once made, is irreversible…
https://www.fa-mag.com/news/should-wealthy-clients-delay-taking-social-security-73683.html