"The Kingdom of Saudi Arabia has a fast growing population which has an average age of about 21 years (for comparison, Germany: 41 years), almost two thirds of the population is under the age of 25 years. Water plays a crucial role in the quality of life of the inhabitants, but it is also an important requirement for economic prosperity, for example in a growing industry and in the agricultural sector. Together, both variables will cause a further increase in water demand in Saudi Arabia, which can‘t be covered completely through the ground water resources as well as the inexistent river systems or lakes. Therefore, the Kingdom of Saudi Arabia assumes considerable efforts to sea water desalination plants installed at the coast and carrying water by huge pipeline systems to the major consumption centers in the up-country"
For further reading, please find the current report attached.