US election final result: When will states report final votes? When are they certified?

Potentially millions of remaining votes from states such as New York, California and others could give Mr Biden an even more pronounced popular vote win.

Some of these votes will come in a non-standard format, including provisional, large-print or braille, which may require some further processing.

These votes make up most of what Arizona – where Mr Biden currently leads Mr Trump by tens of thousands of ballots – has left.

State electors will not have provided a definite end date, and full results only come once they release their final totals.