Donald Trump has been elected the 45th president of the United States.
The Republican nominee won early Wednesday after capturing Wisconsin's 10 electoral votes, which put him over the threshold of the 270 he needed.
It was an astonishing victory for a celebrity businessman and political novice who took advantage of racial tensions, overcame a string of sexual-assault allegations, and capitalized on voters' economic anxieties on his way to the White House.
In his victory speech, President-elect Trump says Democratic rival Hillary Clinton has congratulated him.
He told supporters at his campaign headquarters in New York it's time for Americans to come together, and pledged to be president ``for all Americans.'' (1)
The triumph will end eight years of Democratic dominance of the White House and threatens to undo major achievements of President Barack Obama.
Trump has pledged to act quickly to repeal Obama's landmark health care law, revoke the nuclear agreement with Iran and rewrite important trade deals with other countries, particularly Canada and Mexico.
Trump will also govern with a Congress fully under Republican control after the G-O-P fended off a Democratic challenge in the Senate, and also extended its grip on the House of Representatives.
Before the results were final, the rising prospect of a Donald Trump presidency sent shivers to financial markets around the world overnight.
Investors unloaded shares in an apparent panic over uncertainties on trade, immigration and geopolitical tensions.
Dow futures plunged four per cent at one point, and Japan's Nikkei stock index has closed 5.4 per cent lower this morning.