There aren’t many good studies on this, but some have concluded that as much as 10% of bankruptcy filings are caused by tax liabilities (and that doesn’t count those who would have alot more money available to pay their debts but for having to pay their taxes or pay their taxes because they are generally nondischargeable in bankruptcy). For those keeping score at home, this exceeds the number of bankruptcies traditionally thought to be caused by health problems, death in the family, college expenses, and gambling.
Interesting.