Joe Biden appears to be favored over Donald Trump in Arizona, Florida, Michigan, Pennsylvania, North Carolina and Wisconsin—although the margin is close in some of these battleground states.
The southern state's voters waited up to 10 hours to cast their ballots in some areas last week.
Georgia is seeing record voter turnout, and 62 percent more ballots have already been cast in person than in 2016.
"The bottom line—we will absolutely be prepared election night to protect our residents," said Portland Mayor Ted Wheeler.
"I think we're certainly all hoping for a smooth transition or a clear result from the election, like many people around the world," Trudeau said.
A new poll also suggests only about half of Americans believe people will agree on who is the legitimate president following the election.
U.S. presidential elections have a long history of shocking revelations in the weeks leading up to election day.
The heated war of words between Trump and Biden swung from chaotic accusations and personal digs to the state of the economy and the future of climate change.
The president defended his actions in regards to the coronavirus crisis and was also pressed on issues such as law and order.
The Republican share of the electorate has been growing steadily in rural areas since 2008.
The Democratic nominee appears to have the advantage in Arizona, Florida, Michigan, North Carolina, Pennsylvania and Wisconsin.
College students appear to be disillusioned with American democracy, as 81 percent said special interest groups have more influence in the election than voters do.
Trump campaign ads on Facebook and Instagram called absentee ballots "good" and encouraged Floridians to "send in your absentee ballot immediately."
"The 'suburban housewife' will be voting for me. They want safety," Trump tweeted on Wednesday.
Biden, under the current forecast, is projected to win 323 electoral votes, while Trump is projected to win just 215.
Several recent polls show the Democratic candidate with a narrow advantage over the president in the southern state.
Kanye West's campaign filed 1,723 signatures with the Arkansas Secretary of State on Monday to qualify for the state's presidential election.
Chaos over mail-in ballots and distrust of the results could trigger an existential crisis for American democracy.
Graham said he believes Trump's concerns about mail-in voting are valid, but that delaying the election is "not the right answer."
Michelle worries that young people who have a cynical a view of government wouldn't vote in November.
North Carolina has generally gone for Republicans in most presidential elections going back to 1968.
Biden's support has grown significantly among Florida independents, as Trump's support has declined.
"You're not going to quit on trying to actually bend down the curve of disease and transmission rates," Obama told his former vice president in a video.
But a plurality of voters in the two swing states said that, despite their personal preferences, Trump would likely win in November.
Green candidate Howie Hawkins said Democrats and Republicans preside "over a failed state," while Libertarian candidate Jo Jorgensen describes the dominant political parties as "an ugly two-headed monster."
"First of all, I'm not losing, because those are fake polls," the president told Fox News Sunday anchor Chris Wallace.
Biden also leads Trump by 15 points among registered voters, with 55 percent saying they'd back the Democratic candidate if the election happened now.
Just over three-quarters (76 percent) of respondents to the new poll said they believe the country is currently "out of control."
After the news broke that West had ended his presidential run, many on Twitter were quick to mock the musical artist.