WASHINGTON, June 12 (Reuters) - President Barack Obama's approval ratings have dipped to their lowest level since January on deep economic worries, wiping out most of his lead in the White House race over Republican rival Mitt Romney, a Reuters/Ipsos poll showed on Tuesday.

The number of Americans who approve of Obama's job performance dropped to 47 percent from 50 percent a month ago, his lowest level since early January. The number who believe the country is on the wrong track rose six percentage points in a month to 63 percent.

The deepening doubts about Obama's leadership helped Romney pull within one point in the White House race, 45 percent to 44 percent, among registered voters with less than five months to go before the Nov. 6 election. Obama led by 7 points a month ago.

Obama has suffered a string of recent setbacks to his re-election effort, including a bad set of May jobless numbers and a comment on the good health of the private sector that critics say showed him as out of touch. (Editing by xx)

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