number one cause of personal bankruptcy unexpected medical bills 75% of people declaring bankruptcy the top five reasons 75% of people declaring bankruptcy 75% of people declaring bankruptcy financial hardship 75% of people declaring bankruptcy investopedia.com A study at Harvard University leading cause 62% of bankruptcies and 78% of those had health insurance number one cause of bankruptcy filings. Investopedia financial hardship 62% of bankruptcies and 78% of those had health insurance reason according to Investopedia article 62% of bankruptcies and 78% of those had health insurance http://www.investopedia.com... the top five reasons