Population:
4,353,893 (July 2004 est.)

Age structure:
0-14 years: 16.5% (male 370,660; female 345,713)
15-64 years: 75.8% (male 1,611,502; female 1,687,048)
65 years and over: 7.8% (male 149,452; female 189,518) (2004 est.)

Median age:
total: 36.2 years
male: 35.9 years
female: 36.6 years (2004 est.)

Population growth rate:
1.71% (2004 est.)

Birth rate:
9.63 births/1,000 population (2004 est.)

Death rate:
4.05 deaths/1,000 population (2004 est.)

Net migration rate:
11.53 migrant(s)/1,000 population (2004 est.)

Sex ratio:
at birth: 1.08 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 0.96 male(s)/female (2004 est.)