What percentage of earth's surface water is ground water?

About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog. read more

Out of total volume of 1400Km3 of available water in the world, about 3.0 percent is only usable fresh water out of which 25 percent is only is ground water on earth. Out of this total 25 percentage of groundwater, 14% is at depth1KM and remaining 11% is at depth < 1 KM. read more

3. Not counting oceans and frozen water, most of the rest of the water is ground water, but most of that is salty. 4. Not counting salty water and frozen water, most of the fresh water on Earth is ground water. There is 50 to 100 times more fresh ground water than all the fresh water contained in lakes and rivers. read more

Water is on and in the Earth. The vast majority of water on the Earth's surface, over 96 percent, is saline water in the oceans. The freshwater resources, such as water falling from the skies and moving into streams, rivers, lakes, and groundwater, provide people with the water they need every day to live. read more