(CNN) - President Barack Obama's advantage over Republican presidential nominee Mitt Romney in the Granite State has shrunk, according to a new poll of likely voters in New Hampshire conducted both before and after last Wednesday's presidential debate.
The WMUR Granite State Poll found Obama at 47% and Romney at 41%, with Obama no longer holding the 15 point lead he had a week ago. The difference between the two candidates is now within the poll's sampling error.
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This latest survey comes alongside a series of recent state and national polls showing the race has tightened up since the debate a week ago.
It was conducted by the University of New Hampshire Survey Center between September 30 and October 6. The presidential debate was held on October 3.
Included in the survey are 559 likely general election voters with a sampling error of plus or minus 4.1 points.
This survey found Obama's lead among women has shrunk from a 27 point advantage to nine points.
New Hampshire is one of the nine toss up states on the CNN Electoral Map and has four electoral votes.
- CNN's Steve Brusk and Gregory Wallace contributed to this report
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