John Brown vs Mark Walter: who is richer?
John Brown is richer, with a net worth of $7.35 billion versus Mark Walter's $7.29 billion — a gap of $60.82 million, or 1.01 times as much (as of November 7, 2026).
John Brown
Source of wealth: Medical equipment
$7.35B
Mark Walter
Source of wealth: Finance, asset management
$7.29B
Made since you opened this page: $0.00
Side-by-side
| John Brown | Mark Walter | |
|---|---|---|
| Net worth | $7.35B | $7.29B |
| World rank | #550 | #552 |
| Makes per second | −$16.73 | $25.59 |
| Makes per day | −$1.45M | $2.21M |
| Today | −$185.1M | $0 |
| Source of wealth | Medical equipment | Finance, asset management |
| Age | 92 | 66 |
| Country | United States | United States |
Net worth by year
| Year | John Brown | Mark Walter |
|---|---|---|
| 2026 | $8.5B | $7.3B |
| 2025 | $8.2B | $6B |
| 2024 | $7.7B | $6B |
| 2023 | $5.7B | $5.3B |
| 2022 | $5.4B | $4.3B |
| 2021 | $5.2B | $4.7B |
| 2020 | $3B | $2.7B |
| 2019 | $3.9B | $3.1B |
| 2018 | $3.3B | $2.8B |
| 2017 | $2.7B | $2.5B |
| 2016 | $2.1B | $2.2B |
| 2015 | $2.1B | $1.9B |
Frequently asked questions
Who is richer, John Brown or Mark Walter?
John Brown is richer, worth $7.35 billion compared with Mark Walter's $7.29 billion. The difference is $60.82 million.
Who makes more per second, John Brown or Mark Walter?
Mark Walter makes more: about $25.59 per second versus −$16.73. Per day that's $2.21M vs −$1.45M.
How many times richer is John Brown than Mark Walter?
John Brown has about 1.01 times Mark Walter's net worth.