Age structure:
0-14 years: 27.9% (male 12,065,777/female 11,212,299)
15-64 years: 66.4% (male 27,406,456/female 28,024,250)
65 years and over: 5.8% (male 1,889,585/female 2,937,209) (2005 est.)
Median age:
total: 25.51 years
male: 24.47 years
female: 26.68 years (2005 est.)
Population growth rate:
1.04% (2005 est.)
Birth rate:
17.07 births/1,000 population (2005 est.)
Death rate:
6.2 deaths/1,000 population (2005 est.)
Net migration rate:
-0.43 migrant(s)/1,000 population (2005 est.)
Sex ratio:
at birth: 1.08 male(s)/female
under 15 years: 1.08 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.64 male(s)/female
total population: 0.98 male(s)/female (2005 est.)
Infant mortality rate:
total: 25.95 deaths/1,000 live births
male: 26.35 deaths/1,000 live births
female: 25.52 deaths/1,000 live births (2005 est.)
Life expectancy at birth:
total population: 70.61 years
male: 67.82 years
female: 73.6 years (2005 est.)
Total fertility rate:
1.94 children born/woman (2005 est.)