Here's the link to Wikipedia's page "Poverty in the United States". From the page, Numbers section:
The official number of poor in the United States in 2008 is about 39.1 million people, greater in number but not percentage than the officially poor in Indonesia, which has a far lower Human Development Index and the next largest population after the United States. The poverty level in the United States, with 12.65% (39.1 million people in poverty, of a total of 309 million) is slightly lower than in France, where 13.4% (8 million people in poverty, of a total of 65.4 million) of the population live in poverty. "
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