• President Joe Biden and First Lady Jill Biden sat in the 14th row for the Queen's funeral on Monday.
  • Trump mocked Biden for where he was seated, saying that he would have had a better seat.
  • Seating arrangements seemed to prioritize Commonwealth leaders and royalty.

Former President Donald Trump said on Monday that he would have gotten a better seat than President Joe Biden at the funeral of Queen Elizabeth II. 

The state funeral on Monday was one of the largest ever gatherings of world leaders, with more than 500 foreign heads of state, monarchs, and dignitaries descending on Westminster Abbey in London to honor Britain's longest-serving monarch.

Biden and First Lady Jill Biden were placed in the 14th row of Westminster Abbey's south transept, only seven rows from the very back, The Times of London reported.

Trump took the opportunity to mock the president, writing on his social media platform Truth Social on Monday: "If I were president, they wouldn't have sat me back there."

But Biden's position was likely decided by factors that would not be different if Trump were president, including how he traveled to the funeral and because he is not related to the Queen, he is not a monarch, and the US is not a member of the Commonwealth.

A seating chart published by The Times of London shows that those seated appeared to be arranged in the following order: the family of the Queen, monarchs, leaders of the Commonwealth, and other world leaders. 

The Telegraph also reported that leaders of Commonwealth countries were put in front of other leaders "due to protocol."

Trump mocked Biden by posting a photograph that showed all of the assembled world leaders sitting in the abbey, with a red arrow pointing to the president towards the back. 

"This is what's happened to America in just two short years. No respect!" Trump posted alongside the picture.

"However, a good time for our President to get to know the leaders of certain Third World countries. If I were president, they wouldn't have sat me back there — and our Country would be much different than it is right now," he added.

It is unclear which leaders Trump meant when he referred to "Third World countries."

One hour later, the former president doubled down, writing another post that said: "In Real Estate, like in Politics and in Life, LOCATION IS EVERYTHING!!!"

The Guardian also noted that Biden's seating position may have been influenced by the fact that he traveled in his own armored car — nicknamed "the Beast — to the funeral, while most other heads of state and government were bussed to the location.

Biden was the only American leader who attended the funeral.

Politico reported that only heads of state and their spouses were invited to the funeral and not former leaders, as otherwise there would be too many guests.

The leaders of New Zealand and Canada, which are both commonwealth countries, sat in front of the Bidens. 

The Bidens sat in the same row as China's representative, with Jill Biden sitting beside Switzerland's president. They sat behind Andrzej Duda, the president of Poland; and in front of the Prime Minister of the Czech Republic Petr Fiala.

Other royals, including King Willem-Alexander of the Netherlands and Emperor Naruhito of Japan, sat in front of the Bidens, the Times of London reported.

Trump was a vocal fan of the Queen and posted a long tribute to her after her death on September 8.