James Duff, 65, and Thomas Duff, 69, have grown their net worth rapidly and influence trucking, energy and politics. The brothers have made the Forbes billionaires list since 2019, when they started with a net worth of $1.2 billion. Mississippi native Oprah Winfrey also made the list with a net worth of $3.2 billion this year. His estimated net worth stands at $789. See photosForbes listed the 10 most wealthy people in the world and their estimated net worth.

Source: Forbes April 12, 2026 11:41 UTC