Nathan Kirsh vs Jan Koum: who is richer?
Nathan Kirsh is richer, with a net worth of $18.6 billion versus Jan Koum's $18.47 billion — a gap of $134 million, or 1.01 times as much (as of November 7, 2026).
Nathan Kirsh
Source of wealth: Retail, real estate
$18.6B
Made since you opened this page: $0.00
Jan Koum
Source of wealth: WhatsApp
$18.47B
Made since you opened this page: $0.00
Side-by-side
| Nathan Kirsh | Jan Koum | |
|---|---|---|
| Net worth | $18.6B | $18.47B |
| World rank | #148 | #150 |
| Makes per second | $224 | $38.88 |
| Makes per day | $19.31M | $3.36M |
| Today | +$11.27M | +$16.76M |
| Source of wealth | Retail, real estate | |
| Age | 94 | 50 |
| Country | Eswatini (Swaziland) | United States |
Net worth by year
| Year | Nathan Kirsh | Jan Koum |
|---|---|---|
| 2026 | $9.1B | $17.1B |
| 2025 | $7.3B | $16.5B |
| 2024 | $7.2B | $16.1B |
| 2023 | $6.5B | $13.7B |
| 2022 | $5.3B | $9.8B |
| 2021 | $4.7B | $9.9B |
| 2020 | $2.7B | $9.7B |
| 2019 | $4.9B | $9.6B |
| 2018 | $4.3B | $9.1B |
| 2017 | $3.9B | $9B |
| 2016 | $3.7B | $8.6B |
| 2015 | $3.9B | $6.6B |
Frequently asked questions
Who is richer, Nathan Kirsh or Jan Koum?
Nathan Kirsh is richer, worth $18.6 billion compared with Jan Koum's $18.47 billion. The difference is $134 million.
Who makes more per second, Nathan Kirsh or Jan Koum?
Nathan Kirsh makes more: about $224 per second versus $38.88. Per day that's $19.31M vs $3.36M.
How many times richer is Nathan Kirsh than Jan Koum?
Nathan Kirsh has about 1.01 times Jan Koum's net worth.