US President Barack Obama is leading his Republican rival Mitt Romney by three points, even though many Americans remain dissatisfied with the situation in the country, a new opinion poll shows. The survey joint survey by CBS News and the <I>New York Times</I> showed that 49 per cent of likely voters will support Obama in the November 6 elections, while 46 per cent gave their preference to Romney. Just four per cent of those polled said they remained undecided. But when asked whether the country was doing better or worse than four years ago, 36 per cent said the United States was doing better but 39 per cent said things were worse. According to the survey, Romney is preferred to Obama among likely voters aged 65 and over, but the incumbent president leads among younger voters. Obama’s lead among women voters is in double digits, according to the poll, 53-41 per cent. But Romney holds a lead among men by 52 per cent to 44 per cent. This poll was conducted by telephone from September 8-12 among 1,301 adults nationwide. It had a margin of sampling error of plus or minus three percentage points.