Population:

22,894,384 (July 2005 est.)

Age structure:

0-14 years: 19.7% (male 2,349,077/female 2,156,755)
15-64 years: 70.7% (male 8,205,933/female 7,980,056)
65 years and over: 9.6% (male 1,107,708/female 1,094,855) (2005 est.)

Median age:

total: 34.14 years
male: 33.71 years
female: 34.57 years (2005 est.)

Population growth rate:

0.63% (2005 est.)

Birth rate:

12.64 births/1,000 population (2005 est.)

Death rate:

6.38 deaths/1,000 population (2005 est.)

Net migration rate:

0 migrant(s)/1,000 population (2005 est.)

Sex ratio:

at birth: 1.1 male(s)/female
under 15 years: 1.09 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 1.01 male(s)/female
total population: 1.04 male(s)/female (2005 est.)

Infant mortality rate:

total: 6.4 deaths/1,000 live births
male: 7.09 deaths/1,000 live births
female: 5.65 deaths/1,000 live births (2005 est.)

Life expectancy at birth:

total population: 77.26 years
male: 74.49 years
female: 80.28 years (2005 est.)

Total fertility rate:

1.57 children born/woman (2005 est.)