how much salt water on earth compared to fresh water?
<answer> 95.1% of water on earth is estimated to be salt water. Fresh water total only 4.9% of all water on earth. <context> 95.1% of water on earth is estimated to be salt water. Fresh water total only 4.9% of all water on earth. Fresh water is found in ice, lakes, rivers, streams and underground. 0.01% of earth’s water is found in rivers and lakes. Humans need water to live. The most common sources of drinking water come from