The US unemployment rate climbed in May to a 26-year high of 9.4 percent.

美国失业率在5月攀升至26年来最高的9.4%。

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However, between 2005 and 2011, the US unemployment rate increased from 5.1% to 9.1%.

而2005年至2011年，美国的失业率由5.1%上升至9.1%。

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The US unemployment rate fell slightly to 8.9% in February, down from 9% the month before.

二月份，美国失业率从上个月的9%微降至8.9%。

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The US unemployment rate, at 7.8%, is forecast to improve during 2013, but not dramatically.

BBC: US new-home sales in 2012 reach three-year high

The Fed has pledged to keep US interest rates at their record low level until the US unemployment rate falls below 6.5%.

BBC: US Fed's Ben Bernanke hails benefits of stimulus

The Fed also confirmed that it plans to keep interest rates at close to zero at least until the US unemployment rate falls below 6.5%.

BBC: Fed keeps US interest rates on hold