The Commonwealth Fund Biennial Health Insurance Survey, a nationally representative survey of 4,350 adults age 19 and older, presents new information on the health insurance coverage of Americans and the health and financial consequences families face when they experience breaks in insurance. (See Appendix for a description of survey methodology.) The survey, conducted between August 2005 and January 2006, finds that while the lowest-income families have always been most at risk of not having insurance coverage, more moderate- and middle-income earners and their families are also in jeopardy. In addition, one of five of all adults under age 65.
