Ballpark — August 1, 2026
Answers to that day's 5 daily estimation questions.
Individual pieces in a standard Boeing 747
6.0 million parts
Including everything from engines to tiny rivets.
Percentage of the world that is water
71%
Most of this is salt water in the oceans.
Monthly active users on Instagram
~3 billion people
A significant jump from its early days in 2010.
Total human population in 1800
~1 billion people
It took all of human history to reach the first billion.
Number of member states in the United Nations
193 countries
Vatican City and Palestine are non-member observer states.