US election 2020: Biden wins Georgia recount as Trump setbacks mount
The Democrat beat his Republican rival in Georgia by 12,284 votes, according to the audit required by state law.
Mr Biden said Mr Trump knew he was not going to win and had shown "incredible irresponsibility" by not conceding.
The Democrat is set to take office in January as the 46th US president.
Mr Biden's victory margin in the public vote overall stands at more than 5.9 million. His victory in the US Electoral College system, which determines who becomes president, is projected to be 306 to 232 - far above the 270 he needs to win.
Mr Trump has so far refused to concede and has made allegations of widespread electoral fraud, without providing any evidence.
What happened in Georgia?
On Thursday, Georgia's Secretary of State, Brad Raffensperger, said the hand audit of ballots had not altered Mr Biden's victory in the state.
"Georgia's historic first statewide audit reaffirmed that the state's new secure paper ballot voting system accurately counted and reported results," Mr Raffensberger, a Republican, said in a statement.