Poll: Obama opens up four-point lead on Romney nationally

President Obama's post-convention bounce has grown to four points according to two new polls released Saturday.

Gallup's daily tracking poll has Obama at 49 percent support among registered voters to GOP candidate Mitt Romney's 45 percent. 

The new figures show a 1-point increase for Obama from Friday's results and reflects voter sentiment after the final day of the Democratic National Convention. 

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Friday's polling put Obama's job approval rating at 52 percent. Gallup said by the middle of next week it will be clear if the bounce is lasting. 

Romney received no lasting bounce from the GOP's Tampa convention which concluded Aug. 30, according to Gallup. Forty-six percent of registered voters supported Romney in the tracking poll in the four days following the convention. In the four days preceding the convention, Romney was backed by 46 percent.

A Reuters/Ipsos daily-tracking poll released Saturday also gave Obama a 4-point lead. Obama leads Romney 47 percent to 43 percent among likely voters. On Friday, Obama overtook Romney in the same poll and held a 46 to 44 percent edge. 

“The bump is actually happening,” said Ipsos pollster Julia Clark. "How big it'll be and how long it will last remains to be seen," she added.

Conservative polling outlet Rasmussen showed a smaller bounce for the president in its daily poll, with Obama up 46 percent to Romney's 44 percent on Saturday. 


The polls, however, may not fully reflect voter sentiment in light of Friday's negative jobs report which saw 96,000 jobs created in August, well below economists' expectations. National polls are also less important than swing state polls since the presidential election is decided in the winner-take-all electoral college system. 

The disappointing jobs numbers coming the morning after Obama's acceptance speech could cut into any convention bounce he may build.


Rasmussen's daily-tracking poll reflects telephone surveys with 500 likely voters over a three-day rolling average.

The seven-day rolling average in the Gallup daily tracking poll surveys 3,050 registered voters and has a margin of error of 2 percentage points.

The Reuters poll was conducted among 1,457 likely voters online and has a 3 point margin of error.

This story was updated at 4:49 p.m.