Watch Anderson Cooper, whose great-great-great-grandfather was railroad tycoon Cornelius Vanderbilt, walk through the family's history.

You could probably name a few of America's richest people, like Elon Musk or Mark Zuckerberg, for instance. But could you name the richest families in America, like the Waltons or the Mars family? Explore the list of 2024's richest families in America—and find out how they made their money—here.

John D. Rockefeller—the world's first billionaire—once controlled 90% of the US oil refining market, built Standard Oil through vertical integration, and used his fortune to fund universities, museums, and landmarks like Rockefeller Center.

From a young age, John D. Rockefeller knew he was interested in business. He worked as a bookkeeper and sold candy prior to starting the business empire that would help cement the Rockefeller name in history: Standard Oil.

The Rockefellers built one of the most powerful business empires in US history. By the early 1900s, their company, Standard Oil, controlled over 90% of the US oil market.

The world’s 10 richest families, including the families behind Hermès and Mars, control hundreds of billions of dollars worth of the world’s wealth.

That's according to 2024 data from the Federal Reserve. In 1848, just 50 households had achieved a net worth of at least $1M (roughly $40M in today's dollars). Millionaires have become significantly more common due to a multitude of factors, such as price increases in securities, inflation, and rising home values.

The greatest investors have all made a fortune off of their success and, in many cases, have helped millions of others achieve similar returns. Read about the lives and approaches of Carl Icahn, Warren Buffett, George Soros, and more.

Today, someone's financial standing has more to do with their families than any other outside factor. Of the more than $100T of projected inheritance, that money is concentrated among a few wealthy estates and families.

With a reported net worth of about $190B, Arnault consistently ranks among the world's richest individuals. He held the number one spot on the list until early 2023, when Elon Musk overtook him.

Dalio's profile in Forbes tracks his net worth, wealth history, and global wealth ranking. As of early 2026, Dalio is in the top 200 richest people in the world.

The disruptive innovator and founder of SpaceX and Tesla is worth hundreds of billions of dollars, an unimaginable sum. This simple interactive visual uses pixels (representing $1K each) on a scrolling screen to demonstrate the billionaire's wealth compared to other known financial values, like the cost of building a Boeing 777 or the net worth of Tiger Woods.

America's top 20 billionaires have a combined wealth of $2.7T as of 2024. That's more than Russia's annual GDP. But some billionaires, like Elon Musk, hold a greater share of that $2.7T number than others. To see just how much money each of these 20 billionaires have in comparison to the others in the group, check out this data visualization.

A third of US billionaires inherited much or all of their enormous fortunes. It can be tough to determine the exact net worth of billionaires given that much of their money is often tied up in company stocks, which fluctuate significantly in a given week.

The Rockefeller family timeline (as it relates to the business world, at least) starts in 1839 with John D. Rockefeller’s birth. In the nearly 200 years since, his offspring have gotten involved in everything from the Watergate scandal to the McCormick & Company spice business.

William A. Rockefeller Sr. earned his money via various schemes that included pretending to be a doctor to sell “herbal medicines” and posing as a deaf person to peddle for money.

Like many Virginia elites of his era, Marshall invested in large tracts of western land, including holdings in Kentucky and the Ohio valley. His financial interests mirrored the broader post-Revolutionary pattern of land speculation among political leaders.

Buffett is worth many, many billions of dollars. As a self-made billionaire, he is the eighth-richest man in the world, and his real-time net worth changes daily.

The man who transformed the New York World into the largest newspaper in America in the late 1800s left his home country of Hungary in 1864 to fight in the US Civil War. When he died in 1911, Pulitzer left $2M to Columbia University to found its journalism school and establish the Pulitzer Prize.

This visualization breaks down the total net worth of all US households by wealth percentile, listing the number of households in each percentile. As you'll see in the graphic, the total net worth of all US households is close to $160T, and the richer half of the country owns roughly 98% of it. Check out the visual here.

Wealth management for families with massive fortunes has evolved over the centuries, with the Rockefellers establishing the first single-family office in 1882.

In the aftermath of the Great Depression, Congress learned that Morgan and his banking partners had avoided paying any federal income tax in 1931 and 1932. By claiming their losses in the stock market, they seemingly erased what they owed.

Poor's guide to the railroad industry helped investors evaluate changes and business decisions that might impact their investments. It was the first step in building the thorough datasets tracking companies and industries that Standard & Poor's is known for today.

The richest person in Asia, Mukesh Ambani, owns dozens of companies in India as part of the conglomerate he inherited from his father and expanded via acquisitions and partnerships. From smartphones and news portals to logistics and video streaming,...

With Class A shares trading at over $700K per share, Berkshire Hathaway's high stock price reflects Buffett's decades of long-term investing, major acquisitions, and a philosophy that has reshaped modern finance.

Buffett is the former CEO of Berkshire Hathaway, a local resident of Omaha, Nebraska, and a billionaire. People often refer to him as the "Oracle of Omaha."

The founder of a multifamily office firm offers lessons on how to preserve wealth for generations from a global perspective, like educating younger family members.

Henry Wells and William Fargo formed Wells, Fargo & Co. two years after American Express was created. Wells and Fargo saw an opportunity to expand the express delivery service from the East Coast and Middle America to the West Coast. The two initially asked the American Express board to expand operations, but the board declined, so they decided to create their own company. Today, Wells Fargo is among the top four largest banks in the US.

After becoming a famous writer, Twain invested in railroad stocks, a magnetic telegraph, and a printing press that weighed four tons. Eventually, he founded his own publishing company, which ultimately led to his bankruptcy. “He is, in business,” one lawyer said, “just a big overgrown boy.”

Buffett still lives in the same house he bought in 1958 for $31.5K. He has pledged to donate 99% of his fortune to charity. Yet he owns a private jet called "The Indispensable" (formerly called "The Indefensible" because he had no defense for buying it).

From the railroad and steel consolidations brokered by John Pierpont Morgan on Wall Street more than a century ago, to the repeal of Glass-Steagall, the financial crisis, and Jamie Dimon’s leadership, J.P. Morgan Chase has been at the center of finance for more than a century.

Nearly 200 years ago, Gregor MacGregor pulled off one of the most brazen real estate scams in history. A disgraced military leader, MacGregor sold plots of land in what is today Honduras, touting the country of Poyais as a new major region in South America. But no building was taking place, and instead of investing the proceeds of bond sales in construction, MacGregor was lining his pockets. Read the unbelievable story of MacGregor's exploits here.

After buying bulks of its stock, Buffett then flipped Berkshire Hathaway into the most successful and largest holding company in the world, which owns companies like Geico, Duracell, and Fruit of the Loom.

John D. Rockefeller Jr. and his wife spent millions of dollars restoring Colonial Williamsburg and turning it into the tourist attraction it is today. You can go back in time via video footage from before and after the restoration.

By redirecting western trade through New York Harbor, the canal turned New York into the nation’s commercial hub. This surge in commerce shifted financial power from Philadelphia to Wall Street, establishing the city as America’s banking capital.

The world has a net worth of $360T. The U.S. economy continues to dominate given its sheer size, Asia and Europe are not that far behind.

He then bought his first property at 14 years old. From studying under the “father of value investing” to revitalizing a textile company into the largest holding company in the world, Buffett’s career is one of great financial success.

Louis Vuitton consistently ranks among the world's top 10 most valuable global brands—it's worth an estimated $100B as of this writing.