Who's the richest of them all? Forbes has released its 2016 list of the world's billionaires, featuring 1,810 individuals who have a combined net worth of $6.48 trillion. Among the 540 American billionaires are five very wealthy Austinites.

Leading the pack is Michael Dell. The chairman and CEO of Dell has an estimated net worth of $19.8 billion, earning him the No. 35 spot, up from No. 47 in 2015. Dell made his debut on another Forbes list earlier this year as one of the most powerful people in the world.

Austin's John Paul DeJoria, co-founder of Paul Mitchell and Patrón Tequila, is also among the richest people in the world. At No. 595, DeJoria's net worth is an estimated $2.9 billion.

Newcomers Robert Smith and Brian Sheth, co-founders of Austin-based Vista Equity Partners, make their debut at Nos. 688 and 1,577, respectively. Smith's net worth is $2.5 billion, while Sheth makes the cut with $1.1 billion. David Booth, co-founder of Dimensional Fund Advisors, ranks No. 1,367 with a net worth of $1.3 billion.

A total of 48 Texans land on the Forbes list; most earned their dough through pipelines, oil and gas, and investments. Notable Lone Star names include Walmart heiress Alice Walton of Fort Worth ($32.3 billion), Dallas Cowboys owner Jerry Jones ($5 billion), best boss ever Jeffrey Hildebrand ($4.2 billion), and Shark Tank star Mark Cuban ($3.2 billion).

The richest people on the planet are Bill Gates of Microsoft fame ($75 billion), Zara's Amancia Ortega ($67 billion), Warren Buffet ($60.8 billion), Mexico's Carlos Slim Helu ($50 billion), and Amazon's Jeff Bezos ($45.2 billion).