Many familiar faces make an appearance on Wealth-X's list of the billionaires who made the most money this year.
Businessmen like Warren Buffett and Bill Gates, who have dominated wealth rankings for years, continued to add billions of dollars to their already sizable fortunes.
Here's the full list, ranked by billions made from Jan. 1 to Dec. 11, 2013:
10. Carl Icahn made $7.2 billion
The corporate raider had a big year after bets on Netflix and Herbalife (HLF) yielded Icahn Capital Management $800 million and $500 million profits, respectively. He tweeted his thanks to Netflix (NFLX) CEO Reed Hastings and Kevin Spacey, star of the streaming service's hit show, "House of Cards."
9. Lui Chee Woo made $8.3 billion
The founder of Galaxy Entertainment Group became Asia's second-richest man in 2013 as gambling revenue grew at a record pace in Macau. Lui is looking to expand his flagship casino in the city's Cotai area, which is known by many as the Asian version of the Las Vegas Strip.
8. Larry Page made $9.3 billion
Google's co-founder and CEO made $3 billion in 24 hours when Google (GOOG) stocks hit an all-time high in October, breaking $1,000 for the first time. Android became the world's most popular operating system, running on 43 percent of the globe's smartphones.
7. Sergey Brin made $9.3 billion
Brin, Google co-founder and head of special projects with Google X, made $2.9 billion in the October stock surge. As of Dec. 11, Brin is worth an estimated $30 billion, a 4.8 percent percent increase over the year.
6. Masayoshi Son made $10.3 billion
The founder of Softbank, Asia's top Internet and telecommunications corporation, lost $70 billion in the dot-com crash, but he's surging back in a big way.
5. Mark Zuckerberg made $10.5 billion
Facebook (FB) stock hit an all-time high in October, and revenue continues to grow despite questions about the longevity of the product.
4. Jeff Bezos made $11.3 billion
The founder and CEO of Amazon (AMZN), which made $17.1 billion in net sales in the third quarter, raised some eyebrows when he bought the Washington Post for $250 million this summer.
3. Sheldon Adelson made $11.4 billion
According to Wealth-X, the casino mogul's personal net worth grew to an estimated $35.3 billion this year thanks to profits from his gambling properties in Las Vegas, Macau, and Singapore.
2. Bill Gates made $11.5 billion
The world's wealthiest man ended the year with a personal net worth of $72.6 billion, up nearly 19 percent from $61.1 billion in 2012.
1. Warren Buffett made $12.7 billion
Berkshire Hathaway's (BRK-A) (BRK-B) CEO personally made about $37 million a day in 2013, a year that saw the company's acquisition of Heinz and Nevada's NV Energy.
Disclosure: Jeff Bezos is an investor in Business Insider through his personal investment company Bezos Expeditions.