He defeated his rival Hillary Clinton to become the USA's 45th president.
He will take office on January 20, 2017, he is 70, this means he will be the oldest person to become president.
In his victory speech, Mr. Trump told Americans: "Working together, we will begin the urgent task of rebuilding our nation and renewing the American dream. We have the strongest economy anywhere in the world. At the some time, we will get along with all other nation willing to get along with us"
