The US Census Bureau, in its annual look at poverty in the United States, said that the poverty rate in 2013 was 14.5 per cent, down from 15 per cent in 2012.
The decrease in the poverty rate was attributed to the growth in year-round employment by 2.8 million jobs in the United States, government officials said.
White House officials cheered the positive information in the census release.
"At the same time, the data also offer a clear illustration of the large amount of work that remains to strengthen the middle class in the wake of the worst recession since the Great Depression."
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The median household income for families was USD 65,587 in 2013, and USD 31,178 nonfamily households, which also was not statistically different from the 2012 levels.
Officials also say that the number of children under 18 in poverty declined from the previous year for the first time since 2000.
The number of children in poverty dropped from 21.8 per cent in 2012 to 19.9 per cent in 2013, and the number of children in poverty also declined from 16.1 million to 14.7 million.
The official poverty level is based on a government calculation that includes only income before tax deductions. It excludes capital gains or accumulated wealth, such as home ownership.