Billionaire
Videos
A billionaire is a person whose net worth is at least one billion units of a given currency, typically USD. It is a sub-category of the concept of the ultra high-net-worth individual. The American bus
The Standard Oil founder John D. Rockefeller became the first billionaire in US dollars in 1916.
World's billionaires. Number and total wealth by year. Trillions of dollars.
Trillionaire
Videos
A trillionaire is a person whose net worth is at least one trillion units of a given currency, typically the US dollar due to its status as a world currency. A trillionaire is the highest tier of ultr
Billionaire
…confirmed billionaire in 1916. As of June 2026, 20 individuals are centibillionaires (with a net worth of at least $100 billion), one of whom has been a trillionaire (with a net worth of at least $1,000 billion or $1 trillion). As of March 2025, there are 3,028 billionaires worldwide, with a combined wealth of over…
In June 2026, businessman and entrepreneur Elon Musk became the only person to accumulate a net worth of US$1 trillion, but his net worth has been below $1 trillion since July 2026.
US distribution of household wealth for the first quarter of 2024. Federal Reserve data.
Net worth and 1-year growth of each of the top 16 US billionaires, and all US billionaires as a whole, as of June 16, 2026
100 trillion Zimbabwean dollars, an example of hyperinflation