Trump didn't place his hand on the Bible during his swearing-in, and some of his supporters are blaming John Roberts.

President Trump's family wasn't in place as the oath of office began, including his wife, Melania, who was holding two Bibles.

He also becomes the first to enter the White House having previously tried to end American democracy by staying in power despite having lost reelection.

Some social media users wondered if Donald Trump not taking the oath on a religious text meant he wasn't properly sworn in.

Donald Trump raised his right hand while placing his left hand on the Bible Monday afternoon. He then took the oath of office and was sworn in as the 47th President of the United States.

Donald Trump has taken the oath of office, and is officially the 47th president of the United States of America. Chief Justice John Roberts administered the oath.

Sarah Ferguson presents Australia's premier daily current affairs program, delivering agenda-setting public affairs journalism and interviews that hold the powerful to account. Plus political analysis from Laura Tingle.

President-elect Donald Trump is sworn in as U.S. President for the second time, along with Vice President-elect JD Vance, by U.S. Supreme Court Chief Justice John Roberts in an Inauguration Ceremony.

Trump took the oath of office on Monday immediately after Vice President JD Vance was sworn in by Associate Supreme Court Justice Brett Kavanaugh. As Vance took the oath of office, he placed his right hand on a Bible that was held by his wife, Usha Vance, as she also held one of their three children.

Very soon the former president will join Grover Cleveland as the only president to be elected twice non-consecutively.

Given the chaos of Trump’s first term, and his radical plans for the second, Vanity Fair writers and editors take stock on day one of what’s sure to be a tumultuous time in America.

Donald Trump will take the oath of office saying he returns to the presidency “confident and optimistic” it's the start of “a thrilling new era of national success.”