Ballpark — June 12, 2026

Answers to that day's 5 daily estimation questions.

Population of Australia

26.0 million people

Most of the population lives along the coast.

Total emails sent every day

350 billions

Includes business, personal, and spam.

Dimensions of a standard basketball hoop

18 inches

Inner diameter of the rim.

Days the Apollo 11 mission lasted

8 days

Launched July 16, returned July 24, 1969.

People who attend Burning Man annually

80,000 people

Limited by federal land management permits.