In 2006, only 5.5% of the debtors participating in the report made more than $60,000, but this income bracket shifted to more than 9% by 2010.
Married Americans

Were hit particularly hard, experiencing a 12% increase in bankruptcy filings since 2006.

Married people represent more than 60% of all filings. Of those filings, nearly 35% were joint petitions, the study said.
"Married was the dominant marital status of those seeking bankruptcy protection between 2006 and 2010," read the report.
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When asked about the causes of their financial distress from 2006 to 2010, increasing rates of respondents reported that they were overextended on their credit, had experienced a reduction in income, or had lost their jobs.
Other causes, such as unexpected expenses, death of a family member, illness and injury, showed a decrease over five years.
The study also explored the racial demographic of debtors. The rate of whites and Native Americans filing for bankruptcy was little changed over five years.
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But the percentage of Asian- Americans who filed for bankruptcy more than doubled, from 2.1% in 2006 to 4.5% in 2010. The percentage of Hispanics filing for bankruptcy also increased, to 8.7% from 6.5%.
African-Americans were the only ethnic group to show a significant decline in bankruptcy filings, to 11.3% from 15.4%.