Water resources by country：Top 10 Countries with Freshwater Resources

Water is essential for all socio-economic development and for maintaining healthy ecosystems. As population increases and development calls for increased allocations of groundwater and surface water for the domestic, agriculture and industrial sectors, the pressure on water resources intensifies, leading to tensions, conflicts among users, and excessive pressure on the environment.

The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as the water cycle. The earth is covered by three-fourth of water. 97.3% water is saline or salty in ocean and seas, 3% is fresh water that consisting ice-cape, ground water, fresh water lakes, inland and salt lakes.

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water. In other words, we can say water with less than 500 parts per million (ppm) of dissolved salts. Ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers, ...