Elon Musk vs William Koch: who is richer?
Elon Musk is richer, with a net worth of $849.7 billion versus William Koch's $1.95 billion — a gap of $847.8 billion, or 436 times as much (as of November 7, 2026).
Elon Musk
Source of wealth: Tesla, SpaceX
$849.7B
Made since you opened this page: $0.00
William Koch
Source of wealth: Oil, investments
$1.95B
Side-by-side
| Elon Musk | William Koch | |
|---|---|---|
| Net worth | $849.7B | $1.95B |
| World rank | #1 | #2112 |
| Makes per second | $10,044 | −$0.97 |
| Makes per day | $867.8M | −$83,747 |
| Today | +$60.24B | $0 |
| Source of wealth | Tesla, SpaceX | Oil, investments |
| Age | 55 | 86 |
| Country | United States | United States |
Net worth by year
| Year | Elon Musk | William Koch |
|---|---|---|
| 2026 | $839B | $2B |
| 2025 | $342B | $2B |
| 2024 | $195B | $2B |
| 2023 | $180B | $1.6B |
| 2022 | $219B | $1.6B |
| 2021 | $151B | $1.6B |
| 2020 | $24.6B | $1.5B |
| 2019 | $22.3B | $1.8B |
| 2018 | $19.9B | $1.7B |
| 2017 | $13.9B | $1.3B |
| 2016 | $10.7B | $1.9B |
| 2015 | $12B | $3B |
Frequently asked questions
Who is richer, Elon Musk or William Koch?
Elon Musk is richer, worth $849.7 billion compared with William Koch's $1.95 billion. The difference is $847.8 billion.
Who makes more per second, Elon Musk or William Koch?
Elon Musk makes more: about $10,044 per second versus −$0.97. Per day that's $867.8M vs −$83,747.
How many times richer is Elon Musk than William Koch?
Elon Musk has about 436 times William Koch's net worth.