At the end of June – in the run-up to America’s celebration of the 250th anniversary of the signing of the Declaration of Independence – President Donald Trump staged the White House’s first-ever professional sporting event. And while the UFC Freedom 250 evening of mixed martial arts was ostensibly part of the July 4 jamboree, Trump took the opportunity to promote his family’s business interests.

Fighters were paid bonuses in US$1 stablecoins, the cryptocurrency owned by the Trump family, while the event itself cost a reported US$60 million, much of which was taxpayers’ money.

The US president’s ability to make money while in office has been a focus of attention since his financial reports for 2025 were made public at the end of June. His reported revenue jumped from US$622 million in 2024 to US$2.2 billion in 2025, the first year of his second term.

While he and his family claim that there is no conflict of interest, there is little doubt that Trump has been able to profit from his position. But how does his financial gain as president stack up with some of his recent predecessors?

The Kennedy family were famously wealthy. The family’s patriarch, Joseph Kennedy, put some of his money into trusts for his children, allowing John Fitzgerald, Robert Francis and generations of future Kennedys to pursue politics without financial worry or conflicts between business and public service.

Kennedy’s successor Lyndon B.........

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