"Today marks a historic electoral landslide victory in our nation's democracy. I thank the American people for their overwhelming vote to elect me as their next President of the United States," Trump said in a statement.
Members of electoral college met in their respective state capitals to formally elect the next president moments after he crossed the necessary 270 vote mark.
He would be sworn in as the 45th President of the US on January 30.
"This election represents a movement that millions of hard working men and women all across the country stood behind and made possible," he added.
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"With this historic step we can look forward to the bright future ahead. I will work hard to unite our country and be the President of all Americans. Together, we will make America great again," Trump said.
In a tweet later he took a dig at the media and its role during the general elections.
As per the final tally, Trump received 304 electoral college votes, while the Democratic presidential candidate Hillary Clinton received 228 votes. Clinton, however, received over three million more popular votes than that of Trump.