Population: 4,481,162 (July 2000 est.)
Age structure: 0-14 years: 20% (male 459,608; female 434,809) 15-64 years: 65% (male 1,472,974; female 1,430,526) 65 years and over: 15% (male 283,741; female 399,504) (2000 est.)
Population growth rate: 0.5% (2000 est.)
Birth rate: 12.79 births/1,000 population (2000 est.)
Death rate: 9.89 deaths/1,000 population (2000 est.)
Net migration rate: 2.13 migrant(s)/1,000 population (2000 est.)
Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.03 male(s)/female 65 years and over: 0.71 male(s)/female total population: 0.98 male(s)/female (2000 est.)
Infant mortality rate: 3.98 deaths/1,000 live births (2000 est.)
Life expectancy at birth: total population: 78.65 years male: 75.73 years female: 81.77 years (2000 est.)
Total fertility rate: 1.81 children born/woman (2000 est.)