How mail-in voting could delay results in the U.S. election for days — or weeks

At least 70 million Americans have already cast ballots in the 2020 U.S. election, about two thirds of them by mail. Numbers like that mean this election could be like no other in terms of how long it takes to count ballots and declare a winner. 

source https://www.cbc.ca/news/world/mail-in-voting-explainer-1.5770262?cmp=rss