The world Forbes list is out and it is no shock that some richest people in America have retained their spots as the richest men in America while some ranked higher than what they ranked the previous years. There is no that richest people in the U.S. just keep getting richer making it even harder than ever to join the ranks of the 25 wealthiest Americans. The top 25 are dominated by familiar faces, as well as the Walton family. Christy Walton, Jim Walton, Alice Walton, and S. Robson Walton all made it into the top 25 with their Wal-Mart billions. Note that Forbes has certain amount called price of entry to score a spot on the rich list. So people who the bar seems so high to didn’t make the cut. Glance below to see the 25 American billionaires, how they did—and find out the sources of their wealth, the variety of business genius that made them rich in the first place, and the investments that keep them on top.

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25. Laurene Powell Jobs

Net Worth: $19.5 Billion

Industry: Apple, Disney

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Laurene Powell Jobs is the widow of late Steve Jobs. She is the founder and Chair of Emerson Collective, which advocates for policies concerning education and immigration reform, social justice, and environmental conservation. She is also co-founder and President of the Board of College Track, a nonprofit college completion program. She is making a name for herself as a political and social influencer.

24. Charles Ergen

Net Worth: $20.1 Billion

Industry: Dish Network

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Charles Ergen co-founded Dish Network and EchoStar Communications Corporation. He is the current Chairman of the Board, former President and CEO of the firm he co-founded. He stepped down as CEO in May 2011. One of the toughest deal makers in the cable and satellite TV business, Charles Ergen owns 52 per cent of Dish and Echostar shares and holds 88 percent of its total voting power. Ergen is currently looking to move his company into the wireless sector. He spent more than $10 billion snatching up wireless spectrum at a government auction in January 2015. He recently  went into streaming TV, too.

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23. Len Blavatnik

Net Worth: $20.2 Billion

Industry: Diversified

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The USSR-born British business tycoon, investor and philanthropist earned his fortune through diversified investments in myriad companies through his conglomerate company, Access Industries. He founded Access Industries, an international conglomerate company located in New York in 1986. He is the chairman and president of the company which he founded. He has turned into a diversified investor increasingly targeting media and digital companies. As an American citizen, he made timely investments in post-Soviet aluminum and energy companies, endured the bankruptcy of petrochemical giant LyondellBasell, a merger he engineered, and then expanded into media and communications.

22. Phil Knight

Net Worth: $21.5 Billion

Industry: Nike

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Phil Knight co-founded Nike Inc. He is the chairman of Nike, Inc., and previously served as the chief executive officer of Nike.  The son of a newspaper publisher, Knight ran track under coach Bill Bowerman at the University of Oregon, with whom he would co-found Nike. After fifty years of first selling running shoes out of the trunk of his car, Phil Knight is now selling sportswear in almost all the countries in the globe, increasing his record revenues and profits. Nike’s U.S. market, is always questioned as a growth opportunity, hiked revenues by double digits for the fourth straight year.

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22. Steve Ballmer

Internet: $21.5 Billion

Industry: Microsoft

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Steve Ballmer was the chief executive officer of Microsoft from January 2000 before retiring in February 2014. He is the current owner of the Los Angeles Clippers. He resigned from the Board of Directors on August 19, 2014 to prepare for teaching a new class and for the start of the NBA. Thus closed his $ billion purchase of the team in August, the highest price ever paid for an NBA squad. He loves for basketball is nothing surprising as he started purchasing season tickets to the Seattle SuperSonics in the 1980s. He was then encouraged by Microsoft co-founder Paul Allen, owner of the Portland Trail Blazers, to buy a team of his own.  Ballmer placed a bid of $2 billion to buy the Los Angeles Clippers of the National Basketball Association (NBA) after NBA Commissioner Adam Silver forced Donald Sterling to sell the team. He became the official owner of Clippers on August 12, 2014.

20. Carl Icahn

Net Worth: $23.5 Billion

Industry: Investments

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Carl Icahn is the majority shareholder of Icahn Enterprises, a diversified holding company. The activist shareholder, and investor, Carl Icahn is always shaking up companies through his brand of activist investing. Carl graduated from Princeton University with a Bachelor of Arts degree in philosophy in 1957. He then joined New York University School of Medicine, but he dumped the school after two years to join the army.

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19. George Soros

Net Worth: $24.2 Billion

Industry: Hedge funds

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George Soro is the chairman of Soros Fund Management.  He is one of the twenty-five richest people in the world. He played a significant role in the success of hedge fund. A major philanthropist, Soros remains involved in the running of the business but day-to-day running of the firm  is controlled by Scott Bessent, the chief investment officer.

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18. John Mars

Net Worth: $26.6 Billion

Industry: Candy

John Mars along with his siblings Forrest Jr. and Jacqueline own the biggest candy maker in the world. The company annual sales is estimated to be $33 billion. He and his siblings sit on the board of directors, but are not involved in the day-to-day operations. He is best known as a painfully secretive person. Mars was established in 1911 by their grandfather Frank Mars. Their father, Forrest Sr., joined in 1929, around the same time the firm created the malt-flavored nougat inside Milky Way and Snickers.

18. Forrest Mars Jr

Net Worth: $26.6 Billion

Industry: Candy

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Forrest Mars, Jr is the eldest son of Forrest Mars, Sr. and the grandson of Frank C. Mars, the founder of Mars, Incorporated, the confectionery company. He and his siblings John and Jacqueline own the secretive, $33 billion (sales) Virginia-based candy company and all three off them sit on the company’s board of directors. The family has no responsibility for the day-to-day running of the candy company.

16. Jacqueline Mars

Net Worth: $26.6 Billion

Industry: Candy

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Jacqueline Mars is the daughter of Forrest Mars, Sr. She and her two brothers, Forrest Jr. and John, own the secretive ($33 billion) candy company Mars. They all sit on its board of directors, but the family has no role in day-to-day operations. She is a trustee of the US Equestrian Team, and sits on the board of directors for the Washington National Opera, the National Sporting Library and Fine Arts Museum. Their grandfather Frank started the confectionery company, Mars in 1911 in his Tacoma, Washington kitchen. Their father Forrest Sr. joined in 1929, around the time the firm invented the malt-flavored nougatas a basis of Milky Way and Snickers.

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15. Sergey Brin

Net Worth: $29.2 Billion

Industry: Google

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Sergey Brin is a computer scientist and internet entrepreneur. He co-founded Google with Larry Page , one of the most profitable Internet companies.  Sergey Brin received his bachelor’s degree at the University of Maryland, following in his father’s and grandfather’s footsteps by studying mathematics, as well as computer science. He  went to Stanford University after graduation to earn a PhD in computer science. There he met Page,  which he founded the company with. He runs Google X, the secretive division of the search engine company that concentrates on risky projects, such as smart contact lenses, airborne wind turbines and the ill-fated Google Glass.

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14. Larry Page

Net Worth: $29.7 Billion

Industry: Google

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Larry Page is a computer scientist and internet entrepreneur. He and Sergey Brin cofounded Google Inc. He is currently the corporation’s CEO. he also invented PageRank, Google’s best-known search ranking algorithm. As of 2014 Page heads a global organization that consists of 55,600 employees operating in more than 40 countries. In the same year, he oversaw  a good number of acquisition including programmable home thermostat maker Nest for $3.2 billion and video monitoring outfit Dropcam for $555 million.

13. Sheldon Adelson

Net Worth: $31.4 Billion

Industry: Casinos

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Casino titan Sheldon Adelson is the chairman and chief executive officer of the Las Vegas Sands Corporation, which owns the Marina Bay Sands in Singapore and is the parent company of Venetian Macao Limited which operates The Venetian Resort Hotel Casino and the Sands Expo and Convention Center. He  is also the owner of the Israeli daily newspaper Israel HaYom. Adelson, a lifelong donor and philanthropist to a variety of causes, established with his wife’s initiative the Adelson Foundation.  He is not only a business tycoon, but also a philanthropist. He spent $100 million trying to put a Republican in the White House in 2012 and is already shaping up to be a power player in 2016. In February 2015, he signed on to support the candidacy of Sen. Lindsey Graham, a Republican from South Carolina. Going against his image as a right-wing ideologue, Adelson penned an op-ed in The New York Times with Bill Gates and Warren Buffett in July 2014 advocating for compromise on immigration reform.

12. Mark Zuckerberg

Net Worth: $33.4 Billion

Industry: Facebook

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Mark Zuckerberg is a computer programmer, Internet entrepreneur and one of five co-founders of the social networking website Facebook. He is the chairman and chief executive of Facebook, Inc. He has led his social network to new heights. Revenue grew 58% in 2014 to $12.5 billion, backed by an increase in mobile ads.  It is clear that up to 1.4 billion people around the globe are on Facebook, and those users are watching 3 billion videos everyday on the site. Its Instagram unit has more than 300 million users, while mobile messaging app WhatsApp, which it bought for $19 billion in cash and stock in 2014, has 700 million users and is expanding.

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11. Jeff Bezos

Net Worth: $34.8 Billion

Industry: Amazon.com

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Jeff Bezos is a technology entrepreneur. he played a significant role in the development of e-commerce by founding title=”Amazon.com”>Amazon.com. he is the CEO of Amazon.com, an online merchant of books and later of a wide variety of products. Amazon.com became the distribution giant on the World Wide Web and  a good model for Internet sales. Bezos  is also the owner of  The Washington Post newspaper which he bought in 2013. In spite of rough 2014 caused by the failure of Amazon.com’s first smart phone and continued pressure from investors, Amazon CEO Jeff Bezos started 2015 strong. His online retailer received its first ever Golden Globes for its original television series “Transparent,” which was bestowed best TV series and best actor in a comedy. Currently, Amazon is planning towards going into the movie business. The business not only an online retailer, but also has a role in everything  from providing servers to host web content to selling diapers.

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10. Michael Bloomberg

Net Worth: $35.5 Billion

Industry: Bloomberg

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Michael Bloomberg is a business tycoon, politician, and  philanthropist.   He served as the 108th Mayor of New York City. He held office for three consecutive terms starting with his first election in 2001. He completed his term as New York City’s mayor at the end of 2013 and, though he promised to dedicate his life to philanthropy, in September 2014 made it known he would return to run financial news and information company Bloomberg LP at the start of 2015. He is the founder of the firm and still owns 88% of the firm.

9. Samuel Robson Walton

Net Worth: $39.1 Billion

Industry: Wal-mart

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Samuel Robson is the eldest son of Sam Walton, founder of Wal-Mart, the biggest retailer in the globe with 11,000 stores and $473 billion in 2014 revenue. He Chairs the company which was started by Sam and his brother James in 1962 in Rodgers, Arkansas. Outside of Wal-Mart, the Walton’s venture capital firm, Madrone Capital Partners, owns a stake in Hyatt Hotels worth nearly $600 million.

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8. Alice Walton

Net Worth: $39.4 B

Industry: Wal-Mart

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Alice Walton is heiress to the fortune of Wal-Mart Stores, Inc. Her father Sam Walton founded Wal-Mart. She graduated from Trinity University in San Antonio, Texas, with a B.A. in economics and finance. With her hefty fortune, she has long concentrated on interpreting art, culminating in the opening of the Crystal Bridges Art Museum in her hometown of Bentonville, Ark. in 2011. She has also included other art works from several other popular artists.

7. Jim Walton

Net Worth: $40.6 B

Industry: Wal-Mart

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Jim Walton is the youngest son of Sam Walton, the legendary founder of Wal-Mart; the biggest retailer in  the world. He obtained a bachelor’s degree in Business Administration (BA) Marketing from the University of Arkansas in Fayetteville, Arkansas in 1971. He is a board member of the superstore. The company made $473 billion in 2014 revenues with more than 11,000 stores in 27 countries. Jim Walton’s net worth is 40.6 billion.

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6. Christy Walton

Net Worth: $41.7 Billion

Industry: Wal-Mart

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Christy Walton is the richest woman in the world and 7th richest person in United States, according to Forbes 2015 list of the richest people in the world. She has held this title for 5 out of the past six years. She is the widow of John T. Walton, one of the sons of Sam Walton, the founder of Wal-Mart. She married into what became the richest family in the globe — the Waltons — and inherited her fortune after the death of her husband John Walton, a former Green Beret and Vietnam war medic, who died in an airplane crash in 2005. She’s the richest of the Waltons due to an investment John made in solar panel maker First Solar.

5. Charles Koch

Net Worth: $42.9 B

Industry: Diversified

In this February 26, 2007 file photograph, Charles Koch, head of Koch Industries, talks passionately about his new book on Market Based Management. (Bo Rader/Wichita Eagle/MCT via Getty Images)
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Charles Koch is the co-owner, chairman of the board, and chief executive officer of Koch Industries. Charles and David each own 42% of the company. The capitalist brothers inherited the business from their father, Fred C. Koch, then expanded the business. formerly, Koch Industries’s involved only in oil refining and chemicals, but has now extended its reach to process and pollution control equipment and technologies; polymers and fibers; minerals, fertilizers, commodity trading and services; forest and consumer products; and ranching. The businesses produce a wide variety of well-known brands, such as Stainmaster carpet, the Lycra brand of spandex fiber, Quilted Northern tissue and Dixie Cup.

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5. David Koch

Net Worth: $42.9 B

Industry: Diversified

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David Koch is a businessman and political activist. He shares control of $115 billion (sales) Koch Industries with his older brother Charles. As America’s second biggest privately held company, Koch Industries has interests in a range of platforms including oil pipelines, refineries, building materials, paper towels and Dixie cups. The company also made more than $5 billion in acquisitions in 2014 including inkmaker Flint Group for a reported $3 billion and PetroLogistics for $2.1 billion. He became president of the subsidiary Koch Engineering in 1979, and became a co-owner of Koch Industries, with older brother Charles in 1983. He is currently the executive vice president.

3. Larry Ellison

Net Worth: $54.3 Billion

Industry: Oracle

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Larry Ellison a programmer and internet entrepreneur is the %th richest person in the world and the third richest in United States. Ellison founded database software firm Oracle in 1977 after building databases for the CIA and has overseen its rapid growth. He was the Chief executive officer of the software company Oracle Corporation between its foundation in 1977 and 2014. He stepped down as CEO of the company in September 2014 and now stays on as Oracle’s chairman and chief technology officer. He is arguably the first Silicon Valley tech entrepreneur to live big and fast.

2. Warren Buffett

Net Worth: $72.7 Billion

Industry: Berkshire Hathaway

Warren Buffett, chairman of Berkshire Hathaway Inc., left, speaks to David Rubenstein, co-founder and managing director of the Carlyle Group, during the Economic Club of Washington dinner event in Washington, D.C., U.S., on Tuesday, June 5, 2012. Buffett said he doesn't expect another U.S. recession unless Europe's crisis spreads. Photographer: Andrew Harrer/Bloomberg via Getty Images

Warren Buffet is the chairman, CEO and largest shareholder of Berkshire Hathaway, his diversified holding. According to the latest ranking of the richest people in the world by Forbes, he is the third richest person in the world and also the second richest person in the whole of United States. His nicknames are as follows: “Wizard of Omaha” or “Oracle of Omaha”, or the “Sage of Omaha. He is richer than he ever was due to stellar performance of his company Berkshire Hathaway. The company owns dozens of subsidiaries, including in railroads, insurance and energy, and posted $182 billion in 2013 revenue and $19.5 billion in net income.

1. Bill Gates

Net Worth: $79.2 Billion

Industry: Microsoft

BERLIN, GERMANY - NOVEMBER 14: Bill Gates, co-founder of the Bill & Melinda Gates Foundation and former head of Microsoft, visits the German federal chancellery on November 14, 2013 in Berlin, Germany. Gates was expected to discuss how Germany's government could work with his foundation to meet many of the Millennium Development Goals by 2015, when the country assumes presidency of the G8. (Photo by Michael Gottschalk/Photothek via Getty Images)
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Bill Gates is a business tycoon, philanthropist, and computer programmer. He is the world’s richest person and also the richest person in United States as of 2015 based on the latest ranking of the world’s richest people in the globe by Forbes. He has topped the list of richest people in United States for 16 out of the last 21 years. He retook the top spot in March 2014 after a four-year run by Mexico’s Carlos Slim Helu as No. 1. Microsoft, which he co-founded in 1975 has been performing exceptionally, boosting his net worth. His wealth more than doubled from $40 billion to more than $82 billion between 2009 and 2014. Also between 2013 and 2014, his wealth hiked by $15 billion, or about $1.5 billion more than the entire GDP of Iceland in 2014.

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