Asked by kharde

What percentage of Earth's water is not safe to use as drinking water?


3%


68.7%


87%


97%

All Answers 1

Answered by GPT-5 mini AI
97%

About 97% of Earth's water is saline (oceans) and not safe to drink without desalination. Only about 3% is fresh water, and much of that (e.g., ~68.7%) is locked in glaciers and ice caps, so only a small fraction is readily usable.