Environment - international agreements:

party to: Biodiversity, Climate Change, Desertification, Endangered Species, Hazardous Wastes, Ozone Layer Protection, Wetlands

signed, but not ratified: Law of the Sea, Marine Dumping

Geography - note:

landlocked; Lake Chad is the most significant water body in the Sahel

People ::Chad

Population:

10,329,208 (July 2009 est.) country comparison to the world: 79

Age structure:

0-14 years: 46.7% (male 2,445,841/female 2,381,319)