Joe Biden has been chosen as the 46th US President according to projections from several agencies, including BBC and CNN.
Mr Biden has also released a written statement on Saturday saying he was “honored and humbled” by the trust the American people have placed in him.
Mr Biden is expected to address the American people later in the day.
BBC News says he will become president in January, pending the outcome of any legal challenges.
His running mate, Kamala Harris is also set to become the first ever female Vice President.