Ballpark — September 9, 2026
Answers to that day's 5 daily estimation questions.
Population of Tokyo metro area
37.3 million people
The metro area includes Yokohama, Kawasaki, and Chiba.
Height of Mount Everest
29,025 feet
Officially measured from sea level.
Annual U.S. military spending
850 USD (billions)
Represents a significant portion of global defense spending.
Daily riders on NYC subway
3.5 million people
Ridership has been recovering toward pre-pandemic levels.
Population of Australia
26.0 million people
Most of the population lives along the coast.