Lesotho of goods between other member countries Botswana, Namibia, South Africa, and Swaziland. Lesotho has received economic aid from a variety of sources, including the United States, the World Bank, Republic of Ireland, the United Kingdom, the European Union, and Germany. Lesotho has a population of approximately . The population distribution of Lesotho is 25 percent urban and 75 percent rural. However, it is estimated that the annual increase in urban population is 3.5 percent. Population density is lower in the highlands than in the western lowlands. Although the majority of the population—60.2 percent—is between 15 and 64 years of age,
Geology of Lesotho only large fault in the country, running northeast-southwest with a vertical displacement of 300 meters near Mafeteng, although there are other smaller faults. More than 50% of Lesotho's territory is underlain by fractured igneous rock aquifers, such as the low permeability basalt of the Lesotho Formation. Dolerite-dike related aquifers have high water productivity in fractures that formed in the surrounding rock due to the high temperature of the intrusion. The sandstones of the Clarens Formation, Elliot Formation and Burgersdorp Formation are small or low quality aquifers, but the Molteno Formation is regarded as the best aquifer in Lesotho with high