Ballots that arrived during states' grace period represented a small but sometimes important portion of mail-in ballots
Standfirst ...
Grace period ballots
All mail-in ballots
0%
25
50
75
100
Alaska
2,796 grace period ballots
Massachussets
3,403 (<1%)
Minnesota
12,354 (<1%)
North Carolina
approx. 15,000 (<1%)
Pennsylvania
approx. 10,000 (<1%)
Washington
100,209
West Virginia
1,119 (<1%)