Donald Trump was born into a wealthy New York family in 1946. (undated photo)
Trump (left), the fourth of five children, poses for a family photo. His father, Fred Trump, was a successful New York real estate developer who loaned his son millions to help him start and build his business empire.
Trump as a teenage cadet at the New York Military Academy
Trump poses with his father after graduating from the Wharton School of Business in 1968.
Trump married Czechoslovak-born Ivana Zelnickova in 1977. The couple is pictured here in 1989. They divorced shortly afterward. The couple had three children: Eric, Ivanka, and Donald Trump Jr.
Trump married actress and model Marla Maples in 1993.
Trump and Marla Maples with their daughter Tiffany in 1995. They divorced in 1999.
Trump took ownership of the Miss Universe beauty pageant in 1996. Alicia Machado of Venezuela, who won the title that year, later spoke out against Trump for publicly bullying and insulting her.
A groundbreaking ceremony for the Trump International Hotel and Tower Las Vegas in 2005, one of the businessman's luxury properties.
Trump (left), with producer Mark Burnett in 2004, became a TV star with his reality show, The Apprentice. Contestants competed for a chance to work for him. It aired for 14 seasons.
Trump holds a copy of his book, How To Get Rich, in 2004. His 1987 book, The Art Of The Deal, was a best seller that increased his fame.
Trump married Slovenian model Melania Knauss in 2005. Their son, Barron, was born in 2006.
The couple's son Barron plays on his father's star on the Hollywood Walk of Fame in Los Angeles in 2007.
The Trump International Hotel and Tower Chicago under construction in 2006.
The Trump Taj Mahal casino in Atlantic City -- one of several of the mogul's businesses that filed for bankruptcy protection.
Trump speaks at a Tea Party rally in Florida in 2011. During a speech to the ultraconservative faction, he unleashed a strong attack on President Barack Obama. Trump also outlined what he would do if he were president. That year he began a public campaign questioning whether Obama was born in the United States.
Trump accepted his party's nomination for president at the Republican National Convention in Cleveland, Ohio on July 21, 2016.
Trump waves to supporters outside Trump Tower in Manhattan on October 8, 2016, one month before his election victory.
During the campaign, a number of women went public with claims that Trump had sexually harassed them. He said the stories were not true and vowed to sue them when the presidential election was finished.
Donald and Melania Trump vote in the presidential election in New York City on November 8, 2016.
U.S. President-elect Donald Trump during his victory speech in New York City on November 9, 2016.
Donald Trump has been elected the 45th president of the United States. The real estate developer began life in a wealthy New York family and founded a business empire that expanded into reality TV and beauty pageants.