Fox News Democracy '24: The keys to the count in every battleground state

The countdown to election night is on. Officials across the country are preparing to count tens of millions of ballots.

Every state reports votes differently, and that means the candidate in the lead in any race can change throughout election night and the days after. 

For example, a state that reports votes from cities and suburban areas is likely to appear more Democratic in the early parts of the evening but become more Republican as rural areas report.

MILLIONS OF VOTERS HAVE ALREADY CAST BALLOTS FOR NOV.