Table 2. Global Distribution of Water on Earth^a.

water source	water volume [km3]	fresh water [%]	total water [%]
oceans, seas, bays	1 338 000 000	–	96.54
ice caps, glaciers, permanent snow	24 064 000	68.7	1.74
groundwater	23 400 000	–	1.69
fresh	10 530 000	30.1	0.76
saline	12 870 000	–	0.93
soil moisture	16 500	0.05	0.001
ground ice, permafrost	300 000	0.86	0.022
lakes	176 400	–	0.013
fresh	91 000	0.26	0.007
saline	85 400	–	0.006
atmosphere	12 900	0.04	0.001
swamp water	11 470	0.03	0.0008
rivers	2 120	0.006	0.0002
biological water	1 120	0.003	0.0001

^aPercentages are rounded and do not add to exactly 100%. (Data collected from refs (2 and 3).)