Population:
4,025,476 (July 2005 est.)
Age structure:
0-14 years: 18.3% (male 378,784/female 358,784)
15-64 years: 70.7% (male 1,458,405/female 1,388,793)
65 years and over: 10.9% (male 188,741/female 251,969) (2005 est.)
Median age:
total: 36.21 years
male: 35.81 years
female: 36.63 years (2005 est.)
Population growth rate:
0.44% (2005 est.)
Birth rate:
12.49 births/1,000 population (2005 est.)
Death rate:
8.44 deaths/1,000 population (2005 est.)
Net migration rate:
0.3 migrant(s)/1,000 population (2005 est.)
Sex ratio:
at birth: 1.07 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.05 male(s)/female
65 years and over: 0.75 male(s)/female
total population: 1.01 male(s)/female (2005 est.)
Infant mortality rate:
total: 21.05 deaths/1,000 live births
male: 23.62 deaths/1,000 live births
female: 18.31 deaths/1,000 live births (2005 est.)
Life expectancy at birth:
total population: 77.83 years
male: 74.21 years
female: 81.72 years (2005 est.)