Not sure it helps all that much: https://nymag.com/intelligencer/article/billionaires-death-a...

"But the truth — despite the unique challenges that accompany majority stakes in the world’s resources — is that most of the ultrarich seem to die bloodless, unperturbed deaths, and at advanced ages [...] The Dead Billionaires of 2022–23 enjoyed an average lifespan of almost 86 years, outperforming average Americans by more than ten years."