In the pre-genocide era before 1994, Rwanda's healthcare was supported by the Bamako Initiative which was sponsored by UNICEF and WHO and adopted by African ministers of health in 1987.
According to the 2010 revison of the World Population Prospects the total population was 10 624 000 in 2010, compared to only 2 072 000 in 1950. The proportion of children below the age of 15 in 2010 was 42.6%, 54.7% was between 15 and 65 years of age, while 2.7% was 65 years or older .
Rwanda has many lakes. The largest, Lake Kivu, is located in the midst of the volcanic peaks in the Virunga Mountains and forms part of the border with the Democratic Republic of the Congo. The lake has a surface area of 2,665 square kilometers (1,025 square miles) and reaches a maximum depth of 475 meters (1,558 feet).