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How much natural water is there?

Earth is estimated to hold about 1,460,000,000 cubic kilometers of water. The breakdown of where all that water resides is estimated as follows:

  • Oceans (saline) 1,419,120,000 cubic kilometers
  • Ice caps and glaciers (fresh) 31,244,000 cubic kilometers
  • Groundwater (fresh and saline) 8,906,000 cubic kilometers
  • Streams and lakes (fresh) 132,860 cubic kilometers
  • Lakes (saline) 116,800 cubic kilometers
  • Other--soil, atmosphere, biosphere (fresh) 480,340 cubic kilometers

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