The billionaire Republican defied the opinion polls to defeat hot favourite Hillary Clinton and become the next President-elect of America.
The respected Associated Press news agency called the election at 7.30am after an agonising wait as projected victory in Wisconsin tipped Trump over the 270 electoral votes he needed.
Mr Trump’s Idaho campaign director Layne Bangerter said: “The voice of the people has risen up.”
Stock markets plunged around the world and Clinton supporters wept openly in New York City as the scale of Mr Trump’s success became clear
He will now be sworn in as the 45th American President on January 20, 2017.
The nation is now preparing itself for a new leader who has previously vowed to ban Muslims from entering the country, build a huge wall along the border with Mexico and immediately repeal President Obama’s healthcare for the poor.