Were to find information of people without health insurance in the US?

I need to find a table of people in the US without health insurance by age and sex. Any help please?
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Is there a database of people who don't have i-Pods? Is there a database of people who don't 12" frying pans? So why would there be such a database as the one you're asking? There are databases of people who have things, but not people who don't have certain things as it would be impossible to keep such a list up to date.
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