Ballpark — September 3, 2026

How many detectable earthquakes does the Earth produce worldwide in an average year?

~500,000 earthquakes

Of those, only around 100,000 are strong enough for people to actually feel.

Counting every wall, branch, and natural barrier built over 2,000+ years, how many miles long is the Great Wall of China in total?

~13,175 miles

China's 2012 government survey measured every wall, trench, and natural defensive barrier built across multiple dynasties.

How many of the world's countries are landlocked, with no coastline at all?

~44 countries

Liechtenstein and Uzbekistan are the world's only two 'doubly landlocked' countries.

How many square miles does Greenland cover, making it the world's largest island?

836,330 square miles

Despite its size, fewer than 60,000 people live there — most of the interior is buried under an ice sheet.

Current U.S. federal minimum wage per hour

7.25 USD

States may require higher wages, but this is the federal floor.