Ballpark — March 27, 2026

Number of heartbeats in a human lifetime

~2.5 billion beats

Based on 70 beats per minute over an 70-year life.

Population of Australia

26.0 million people

Most of the population lives along the coast.

Average human lifespan worldwide

73 years

Lifespans have increased significantly over the last century.

GDP of Bangladesh

460 USD (billions)

One of the fastest-growing economies in South Asia.

Population of Canada

39.0 million people

Over 80% of Canadians live within 100 miles of the US border.