Half the world's population lives near what body of water?

It’s a staggering geographical fact, but the world’s largest ocean is also its most populated. The vast basin of the Pacific is ringed by many of the planet's most populous nations. Countries like China, Indonesia, Japan, the Philippines, and Vietnam contribute hundreds of millions of people each. When you also include the densely populated coastlines of the Americas, from California down to Chile, the numbers quickly swell to over four billion people, representing half of all humanity.

This immense concentration is driven by a combination of history and economics. For centuries, the ocean has provided abundant food sources and fertile coastal land for agriculture. Its natural harbors gave rise to villages that grew into some of the world's most significant megacities, such as Tokyo, Shanghai, and Manila. Today, the Pacific acts as a vital economic superhighway, facilitating global trade and connecting the economies of Asia, Australia, and the Americas, ensuring its coastlines remain critical centers of human activity.