How many current billionaires have filed for bankruptcy?

As of October 2023, several billionaires have filed for bankruptcy at various points in their careers, but the exact number fluctuates over time. High-profile cases include individuals like Donald Trump and Mark Cuban, who have experienced bankruptcy filings related to their business ventures. However, the majority of billionaires maintain their wealth and do not file for bankruptcy. For the most accurate and up-to-date statistics, it's best to consult financial databases or news sources.