#1 · 2026 list
Elon Musk
United States
- 💻 Technology
- Founder
- Co-Founder
Tesla / SpaceX
Net Worth Estimate$936 billionForbes real-time estimate · Oct 1, 2026
View Wealth Profile →Wealth Builder
Mark Zuckerberg
United StatesTechnologyMeta PlatformsAge 42
- Co-Founder
- Executive
- Self-Made
Net Worth Estimate
$251 billion
Forbes real-time estimate · October 1, 2026
Last updated: October 8, 2026
#5 · Forbes World's Billionaires List 2026, as of March 1, 2026
Biography
Mark Zuckerberg co-founded Facebook at Harvard University in 2004 and has led the company ever since. It was renamed Meta Platforms in 2021 and also owns Instagram, WhatsApp and Threads.
Companies
Business history
- 2004 — Co-founded Facebook
- 2012 — Facebook went public
- 2021 — Company renamed Meta Platforms
Wealth history
| Date | Source | Rank | Estimate |
|---|---|---|---|
| October 1, 2026 | Forbes real-time estimate | #6 | $251 billion |
| March 1, 2026 | Forbes World's Billionaires List 2026 | #5 | $222 billion |
Figures from different sources and dates are listed separately and never merged. Missing years are not estimated. Net worth figures are estimates published by the named source on the date shown. They change frequently and are not exact or permanent. Rankings are date-stamped snapshots.
Philanthropy
Documented giving
Chan Zuckerberg Initiative
Founded in 2015 with Priscilla Chan, with a pledge to give 99% of their Facebook shares over their lifetimes.
Source: Wikipedia
More in Technology
#2 · 2026 list
Larry Page
United States
- 💻 Technology
- Co-Founder
Alphabet (Google)
Net Worth Estimate$286 billionForbes real-time estimate · Oct 1, 2026
View Wealth Profile →#3 · 2026 list
Sergey Brin
United States
- 💻 Technology
- Co-Founder
Alphabet (Google)
Net Worth Estimate$263 billionForbes real-time estimate · Oct 1, 2026
View Wealth Profile →#4 · 2026 list
Jeff Bezos
United States
- 📦 E-commerce
- Founder
- Investor
Amazon / Blue Origin
Net Worth Estimate$370 billionForbes real-time estimate · Oct 1, 2026
View Wealth Profile →