Washington (CNN) - Mitt Romney's unfavorable rating is up, most Americans think the Republican presidential challenger favors the rich, and it appears the number of people who believe that the economy will not get better if Romney is elected has edged up slightly, according to a new national poll.
But a CNN/ORC International survey released Thursday also indicates that Romney's supporters are increasingly getting behind the presumptive GOP nominee.
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It all adds up to a seven point advantage for President Barack Obama over the former Massachusetts governor, with 52% of registered voters questioned in the survey saying that they'd vote to re-elect the president and 45% backing Romney.
"Among independent voters, the poll indicates President Obama has a 53%-42% lead," CNN Polling Director Keating Holland said. "The president holds a nine point advantage among women voters and a smaller six point edge among men."
The good news for Romney: Four months after he wrapped up the race for the GOP nomination, 56% of Romney voters say they strongly support him, up from 47% in May. Sixty-one percent of Obama voters say they strongly support the president.
Since the start of the general election in April, the Obama campaign and Democratic groups have launched attacks on the presumptive Republican nominee, and the survey indicates that they appear to be working.
While Romney's favorable rating has remained steady (47% now compared to 48% in July), his unfavorable rating has jumped from 42% last month to 48% now. The president's 56%-42% favorable-unfavorable rating now is little changed from July.
Among independents, the poll indicates Romney's image has taken a beating. In May, only 40% of independents had an unfavorable view of Romney. Now, 52% of independents have a negative view of him.
Other findings: Sixty-four percent of all Americans, and 68% of independents, think Romney favors the rich over the middle class. And 63% of the public thinks Romney should release more tax returns than he has already made public, a figure which rises to 67% among independents.
"These are all signs that a summer of negative campaigning on the part of the Democrats seems to be taking its toll on the presumptive GOP nominee," says Holland.
Most significantly, it appears that Romney's image as a can-do guy on the economy may have also been hurt. In May, 50% of all Americans said that the economy would get better if Romney were elected. That's now down to 45%, two points below Obama's number. It's likely that all of this is the result of the Democrats' efforts to paint Romney in an unflattering light, but so far Obama has avoided any blowback from that strategy, as evidenced by no rise in his unfavorable rating.
Who do Americans think will win the election?
Regardless of which candidate they support, 63% think Obama will win re-election, with one third saying Romney will win.
"That may not translate directly into votes, but it is worth noting that in August of previous election years, the public accurately predicted the winner in 1996, 2000 and 2008, and in 2004 George W. Bush and John Kerry were tied," adds Holland.
Control of Congress is also up for grabs in November. According to the survey, 45% say the country would be better off if Congress were controlled by Democrats, with 39% saying things would be better if the GOP ran Capitol Hill.
The CNN poll was conducted by ORC International Tuesday and Wednesday (August 7-8), with 1,010 adults nationwide, including 911 registered voters, questioned by telephone. The survey's overall sampling error is plus or minus three percentage points.
CNN Political Editor Paul Steinhauser contributed to this report
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Could it possibly be that America is waking up to the dangers of Romneyhood? No way....
Romney is a graet guy to be president he has skills and he knows about the economy and everything but is a shame he is trying to take away the job of one of the best presidents we will ever have ! is just not gonna happen ! sorry repugs come back in four years...
I love these "save our country" and "I will not accept Obama as president" lines from the pubs. Remember 2004? How do you think we felt when we KNEW dingus was going to run the country into the ground? Feel free to leave the country if you don't like democracy. State run media? How droll. Each side complains about bias. Stop sniveling you pathetic crybaby repubs.
We tried it your way and in spite of you and your party's efforts, the Democrats will correct the mistakes of your eight year reign of terror when you controlled all three branches of the federal government. Stop being obstructionists for your corporate masters and get on the side of the people.
Once someone leaks his tax returns, it will only get worse.
I fimly beleive CNN, NBC are so bias I think you belive pigs can fly. Just for the record, I am a indpendent. Journalism was at one time a noble professional. The major net works have shot that thought in the behind. Your polls don't count what counts is on election day.