Geography - note:
Nahr el Litani is the only major river in Near East not crossing an international boundary; rugged terrain historically helped isolate, protect, and develop numerous factional groups based on religion, clan, and ethnicity
People ::Lebanon
Population:
4,125,247 (July 2010 est.) country comparison to the world: 127
Age structure:
0-14 years: 25.8% (male 528,047/female 506,838)
15-64 years: 67.1% (male 1,294,485/female 1,399,047)
65 years and over: 7.2% (male 130,148/female 158,530) (2010 est.)
Median age: