2QUESTION 2 OF 3
Answer & explanation
The official answer, with Fermi’s reasoning step by step.
Answer & explanation
Official answer
275,000,000
sets
How to estimate it
Fermi’s official “Napkin math”
Monopoly has been around since 1935, so about 90 years. How many sets sell a year? It's one of the best-selling board games ever, maybe 3 million.
- Years on sale
- ~90
- Sets sold per year
- × 3 million
- 90 × 3M
- ≈ 270 million
Rounded assumptions may give a slightly different estimate. The official answer above is the game’s reference value.
Source calculation & reference
- On sale since 1935
- ~90 years
- Sets sold per year
- ~3 million
- Lifetime sales reported by Hasbro
- ≈ 275 million
Reference cited by Fermi: Hasbro Monopoly brand history (275 million as of 2015, no updated total published since)
How close was your guess?
Your comparison will appear here.
Compare by ratio: divide the larger number by the smaller one. The closer to 1×, the better.