The following demographic statistics are from the CIA World Factbook, unless otherwise indicated.

Population
9,987,494 (July 2000 est.) 11,987,121 (July 2006 est.)

Age structure
0-14 years 45% (male 2,237,678; female 2,213,632) 40.8% (male 2,467,021/female 2,422,385)
15-64 years 52% (male 2,501,649; female 2,729,412) 56.1% (male 3,346,756/female 3,378,518)
65 years and over 3% (male 152,236; female 152,887) (2000 est.) 3.1% (male 174,399/female 198,042) (2006 est.)

Population growth rate
2.34% (2006 est.)

Birth rate
4.2 births/10000
32.78 births/1,000 population (2006 est.)

Gender ratio 
at birth 1.03 male(s)/female
under 15 years 1.01 male(s)/female
15-64 year 0.92 male(s)/female
65 years and over 1 male(s)/females
total population 0.96 male(s)/female (2000 est.)

Life expectancy at birth
Total population 62.19 years (2000 est.) 59.25 years (2006 est.)
Male 60.6 years (2000 est.) 57.7 years (2006 est.)
Female 63.82 years (2000 est.) 60.85 years (2006 est.)