Zuckerberg vs Musk

Social networks against rockets and cars.

The differences

Forbes puts Elon Musk about $660B ahead of Mark Zuckerberg.Forbes figures from 15 Oct 2026 and 22 Sep 2026.
Both started the company their money comes from.
Elon Musk is about 13 years older than Mark Zuckerberg.
Both have signed the Giving Pledge.

Put someone else on either side

Zuckerberg

Musk

Net worth, Forbes: $253BForbes, 22 Sep 2026; $913BForbes, 15 Oct 2026
Net worth, Bloomberg: $251BBloomberg, 17 Oct 2026; $921BBloomberg, 15 Oct 2026
Forbes rank: No. 6Real-Time list, 22 Sep 2026; No. 1Real-Time list, 15 Oct 2026
Billionaire since: 2008First on the Forbes World's Billionaires list in 2008, with $1.5 billion; 2012Debuted on the Forbes World's Billionaires list in 2012 with an estimated $2 billion

How it started: Co-founded itLaunched Facebook in 2004 with Dustin Moskovitz, Chris Hughes and Eduardo Saverin; Meta calls him its founder; Founded itFounded SpaceX in 2002; Tesla calls him a co-founder of Tesla, which Forbes says he first backed in 2004
Main source: Meta Platforms stockBloomberg: 'The majority of Zuckerberg's fortune is derived from a stake of about 13% in Meta Platforms'; SpaceX stock, then Tesla stockForbes: 'the bulk of his fortune is held in SpaceX and to a lesser extent Tesla'
Companies: Meta PlatformsMeta Platforms: Founder, chairman and CEO; SpaceX, TeslaSpaceX: CEO, CTO and chairman; Tesla: CEO (since October 2008)
Biggest stake: Meta Platforms13.5% owned; SpaceX48.4% owned

Born: 14 May 1984White Plains, New York, United States; 28 Jun 1971South Africa
Country: United StatesLives in Palo Alto, California, United States; United StatesLives in Austin, Texas, United States
Education: Left university without a degreeStudied computer science at Harvard University and left without a degree; honorary Harvard degree in 2017; Bachelor's degreeBA in physics, University of Pennsylvania; BS in business, Wharton School
Parents: His father, Edward, was a dentist with a practice in the family home; his mother, Karen, was a psychiatrist; Not stated

Giving Pledge: Signed in 2010Pledged with Priscilla Chan; Signed in 2012
Foundation: Chan Zuckerberg InitiativeCo-founded with Priscilla Chan in 2015; he is co-CEO; Musk Foundation
Lifetime giving: $7.2BChan Zuckerberg Initiative, undefined Oct 2026. CZI's own total of grants committed since 2015 ('over $7.22 billion'); an initiative-wide figure, not a personal estimate; $0.5BForbes, 20 Apr 2026. Forbes' estimate of giving actually disbursed; he has moved $8.5 billion of Tesla stock into his foundations, mostly not yet paid out

Role now: Runs the companyFounder, chairman and CEO of Meta Platforms; Runs the companyCEO of Tesla; CEO, CTO and chairman of SpaceX
Successor: None namedMeta's proxy says the board oversees CEO succession planning but names no successor, and reports no family relationships among directors or executive officers; None namedTesla's board says it has near-term and longer-term succession plans but names no one; brother Kimbal Musk is a Tesla director, not an executive
Public office: Member, President's Council of Advisors on Science and Technology (PCAST)2026-; Senior advisor to the President (special government employee), leading the DOGE effort2025
Legal record: None found; 2018: US SEC; 2026: US District Court for D.C. (SEC case)Settled SEC securities-fraud charges over his 2018 tweets about taking Tesla private, without admitting or denying them; paid a $20 million civil penalty and stepped down as Tesla chairman. In the SEC's case over late disclosure of his Twitter stake, a final judgment ordered his revocable trust, not him personally, to pay a $1.5 million civil penalty, without admitting or denying the allegations; the SEC said it would then dismiss the claims against him personally.