Definition
Billionaire
An individual with a net worth of at least $1 billion USD.
A billionaire is a person whose net worth equals or exceeds one billion US dollars ($1,000,000,000). As of 2026, there are over 2,700 billionaires worldwide. Billionaire status is typically achieved through founding, co-founding, or inheriting a large stake in a high-value company. The term 'centibillionaire' describes those worth $100B+.
Frequently Asked Questions
How many billionaires are there in the world?
As of 2026, there are approximately 2,700–3,000 billionaires globally, according to trackers including Forbes and Bloomberg. The number fluctuates with stock market conditions.
What is the difference between a billionaire and a millionaire?
A millionaire has a net worth of $1 million or more. A billionaire has a net worth of $1 billion or more — exactly 1,000 times larger. The average billionaire has a net worth of approximately $4–5 billion.