what percent of water is fresh

Only about 2.5–3% of all the water on Earth is fresh water.

And of that, only a tiny slice (around 0.5–1% of Earth’s total water) is liquid fresh water that’s easily accessible in rivers, lakes, and shallow groundwater for people and ecosystems.

Quick Scoop: Key Facts

• About 97–97.5% of Earth’s water is salty ocean water.

• Only about 2.5–3% is fresh water.

• Roughly 70% of that fresh water is frozen in glaciers, ice caps, and permafrost, mostly in Antarctica and Greenland.

• Most of the rest is underground as groundwater; only a tiny fraction (well under 1% of all water) is in rivers and lakes that we can easily use.

So when people ask “what percent of water is fresh?” , the headline answer is:

Around 3% of Earth’s water is fresh, but only about 1% of all water is liquid, relatively accessible fresh water for direct human use.

Why this matters now

Scientists and agencies keep stressing this because demand is rising and climate shifts are stressing water systems. Nearly two‑thirds of the world’s population faces serious water scarcity at least one month each year, even though the planet looks full of water from space. That contrast—“blue planet, limited drinkable water”—is why this topic keeps showing up in news and forum discussions about droughts, megacities, and climate risk.

TL;DR: About 3% of Earth’s water is fresh, and only a small fraction of that is the liquid fresh water we actually rely on every day.