Elon Musk vs Cai Kui: who is richer?
Elon Musk is richer, with a net worth of $849.7 billion versus Cai Kui's $3.67 billion — a gap of $846.1 billion, or 231 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
Cai Kui
Source of wealth: Real estate
$3.67B
Side-by-side
| Elon Musk | Cai Kui | |
|---|---|---|
| Net worth | $849.7B | $3.67B |
| World rank | #1 | #1138 |
| Makes per second | $10,044 | −$12.39 |
| Makes per day | $867.8M | −$1.07M |
| Today | +$60.24B | −$40.98M |
| Source of wealth | Tesla, SpaceX | Real estate |
| Age | 55 | 63 |
| Country | United States | China |
Net worth by year
| Year | Elon Musk | Cai Kui |
|---|---|---|
| 2026 | $839B | $4.6B |
| 2025 | $342B | $4.3B |
| 2024 | $195B | $4B |
| 2023 | $180B | $5.9B |
| 2022 | $219B | $8.7B |
| 2021 | $151B | $10.4B |
| 2020 | $24.6B | $6.9B |
| 2019 | $22.3B | $5.6B |
| 2018 | $19.9B | $4.6B |
| 2017 | $13.9B | $2.7B |
| 2016 | $10.7B | $2B |
| 2015 | $12B | $2.1B |
Frequently asked questions
Who is richer, Elon Musk or Cai Kui?
Elon Musk is richer, worth $849.7 billion compared with Cai Kui's $3.67 billion. The difference is $846.1 billion.
Who makes more per second, Elon Musk or Cai Kui?
Elon Musk makes more: about $10,044 per second versus −$12.39. Per day that's $867.8M vs −$1.07M.
How many times richer is Elon Musk than Cai Kui?
Elon Musk has about 231 times Cai Kui's net worth.