When They Were Your Age...

Slide to any age and see what the world's richest people had — and hadn't — done by then. Spoiler: several of them had done nothing remarkable yet.

What Elon Musk had done by age 30

  • Age 24Co-founded Zip2 Started his first company, the web-software firm Zip2, with his brother Kimbal.
  • Age 28Founded X.com After selling Zip2, he founded the online bank X.com, which became PayPal.

Next milestone: PayPal sale & SpaceX, at age 31.

Today, at 55, Elon Musk is worth an estimated $417.59B.

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Milestone ages are computed from birth year and the documented year of each event, so they can be off by one depending on birthdays.