the average person uses about 109500 L- 136875 L a year
Water consumption varies around the world. Typical values from around world as aper capita rate are given below as cubic meters per year (m3/yr): North America 1630 West Asia 930 Asia and the Pacific...
In a developed country - of the order of 200 liters per day.If you lived in the desert, I would deduce it would be only a tenth of that.
153 litres (average)
We use about 20 million ML (mega litre) every year