Ballpark — September 27, 2026
Answers to that day's 5 daily estimation questions.
Number of cities with over 10 million people
~33 cities
Tokyo remains the largest, followed by Delhi and Shanghai.
Total weight of all ants on Earth
~12 million tons
There are estimated to be 20 quadrillion ants globally.
Number of symphonies written by Beethoven
9 symphonies
He was working on a tenth when he passed away.
Number of active volcanoes in the world
~1,350 volcanoes
About 50–70 erupt every single year.
Percentage of the world living in Asia
~60%
Led by the massive populations of India and China.