With health care continuing to be a hot topic in the U.S., this article dives into the data to map the states, counties and ZIP codes with the most uninsured Americans. It also delves into who in America spends the most -- and least -- on health insurance. Texas and Florida top the list of states with the highest percentages of uninsured residents. Massachusetts, home of the insurance infrastructure that was a major talking point in last year's presidential election, has the lowest percentage of uninsured residents.
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