Votes in Florida, a state with 29 electoral registers, are still being counted, including absentee ballots.
On Tuesday President Obama won 303 electoral college votes to Republican Mitt Romney's 206, helping him past the 270-vote winning post first.
Now Barack Obama has secured four more years in the White House he must tackle the growing list of challenges facing America.
While both parties called for unity in Barack Obama's second term to solve the USA's problems, Mark Austin found voters fearful of gridlock.
Barack Obama has secured re-election as President on a night of drama in America. Here are the best pictures from election night: