The poll result showed the former vice president leading Trump by 7 percentage points in both states.
A week earlier, Biden was up by 6 points in Wisconsin and by 5 in Pennsylvania.
Reuters/Ipsos is polling likely voters in six states – Wisconsin, Pennsylvania, Michigan, North Carolina, Florida and Arizona – that will play critical roles in deciding whether Trump wins a second term in office or if Biden ousts him.
Below is a state-by-state look at Reuters/Ipsos findings, based on the online responses of likely voters, which include responses from some who cast ballots ahead of the formal Nov. 3 Election Day, which is increasingly common due to the coronavirus pandemic:
WISCONSIN (Oct. 6 – Oct. 11):
* Voting for Biden: 51%
* Voting for Trump: 44%
* 20% said they already had voted.
* 52% said Biden would be better at handling the coronavirus pandemic. 38% said Trump would be better.
* 47% said Trump would be better at managing the economy. 46% said Biden would be better.
PENNSYLVANIA (Oct. 6 – Oct. 11):
* Voting for Biden: 51%
* Voting for Trump: 44%
* 51% said Biden would be better at handling the coronavirus pandemic. 42% said Trump would be better.
* 50% said Trump would be better at managing the economy. 45% said Biden would be better.
FLORIDA (Sept. 29 – Oct. 6):
* Voting for Biden: 49%
* Voting for Trump: 45%
* 50% said Biden would be better at handling the coronavirus pandemic. 41% said Trump would be better.
* 49% said Trump would be better at managing the economy. 45% said Biden would be better.
* 7% said they already had voted.
ARIZONA (Sept. 29 – Oct. 7):
* Voting for Biden: 48%
* Voting for Trump: 46%
* 49% said Biden would be better at handling the coronavirus pandemic. 43% said Trump would be better.
* 52% said Trump would be better at managing the economy. 42% said Biden would be better.
* 3% said they already had voted.
MICHIGAN (Sept. 29-Oct. 6):
* Voting for Biden: 51%
* Voting for Trump: 43%
* 50% said Biden would be better at handling the coronavirus pandemic. 41% said Trump would be better.
* 49% said Trump would be better at managing the economy. 44% said Biden would be better.
* 10% said they already had voted.
NORTH CAROLINA (Sept. 29-Oct. 6):
* Voting for Biden: 47%
* Voting for Trump: 47%
* 47% said Biden would be better at handling the coronavirus pandemic. 45% said Trump would be better.
* 52% said Trump would be better at managing the economy. 40% said Biden would be better.
* 8% said they already had voted.
