Top 10 World’s Billionaires in 2010. Slim narrowly eclipsed Gates to top the billionaire list for the first time. Slim saw his estimated worth surge $18.5 billion to $53.5 billion as shares of America Movil rose 35 percent. Gates’ estimated wealth rose $13 billion to $53 billion, placing him second. Warren Buffett was third with $47 billion. Christy Walton was the highest-ranking woman, placing 12th overall, with an inherited fortune of $22.5 billion. At age 25, Mark Zuckerberg continued to be the world’s youngest self-made billionaire. American Isaac Perlmutter was among the newcomers with an estimated fortune of $4 billion largely acquired in his sale of Marvel Entertainment to Disney.
A total of 1,011 people made the 2010 list. The United States accounted for 403 billionaires, followed by China with 89 and Russia with 62. It was the first time China, while including Hong Kong, placed second. A total of 55 countries were represented on the 2010 list, including Finland and Pakistan which claimed their first billionaires. Eighty-nine women made the list, but only 14 of them were self-made. The combined net worth of the list was $3.6 trillion, up 50 percent from 2009’s $2.4 trillion, while the average net worth was $3.5 billion.
The 2010 list featured 164 re-entries and 97 true newcomers. Asia accounted for more than 100 of the new entrants. Overall, just 12 percent of the list lost wealth since 2009, and 30 people fell off the list. 13 others died. Of the 89 women, 12 were newcomers in 2010. Steve Forbes said the growing number of billionaires was a clear sign that the world’s economy was recovering from 2009’s global financial crisis.
In June 2010, Gates and Buffett announced the Giving Pledge, a promise to give the majority of their wealth to philanthropic causes. As of 2017, the pledge had 158 signatories, but some of the signatories have since died. Most of the signers of the pledge are billionaires, and their pledges total over $365 billion.
Here is a List of Top 10 World’s Billionaires in 2010
- Carlos Slim & family – $53.5 billion
- Bill Gates – $53.0 billion
- Warren Buffett – $47.0 billion
- Mukesh Ambani – $29.0 billion
- Lakshmi Mittal – $28.7 billion
- Larry Ellison – $28.0 billion
- Bernard Arnault – $27.5 billion
- Eike Batista – $27.0 billion
- Amancio Ortega – $25.0 billion
- Karl Albrecht – $23.5 billion


