Ballpark — May 26, 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.

Length of the Nile River

4,130 miles

It is generally considered the longest river in the world.

Weight of an African elephant

13,000 pounds

A single ear can weigh up to 100 pounds.

Cost to build the Golden Gate Bridge (today’s USD)

550 USD (millions)

The original cost was $35 million in 1937 dollars.

Years the Roman Empire lasted

1,000 years

The western empire fell in 476 AD.