Irrigated land:
290 sq km (1998 est.)
Natural hazards:
dry, sand-laden harmattan winds blow from the Sahara (December to
February); sandstorms, dust storms
Environment - current issues:
rapid population growth pressuring the environment; overharvesting
of timber, expansion of cattle grazing, and slash-and-burn
agriculture have resulted in deforestation and soil exhaustion;
civil war depleting natural resources; overfishing
Environment - international agreements:
party to: Biodiversity, Climate Change, Desertification, Endangered
Species, Law of the Sea, Marine Life Conservation, Nuclear Test Ban,
Ozone Layer Protection, Ship Pollution, Wetlands
signed, but not ratified: Environmental Modification
Geography - note:
rainfall along the coast can reach 495 cm (195 inches) a year,
making it one of the wettest places along coastal, western Africa
People Sierra Leone
Population:
5,732,681 (July 2003 est.)
Age structure:
0-14 years: 44.8% (male 1,259,421; female 1,310,516)
15-64 years: 52% (male 1,420,900; female 1,557,597)
65 years and over: 3.2% (male 89,078; female 95,169) (2003 est.)
Median age:
total: 17.5 years
male: 17.2 years
female: 17.8 years (2002)
Population growth rate:
2.94% (2003 est.)