Population:
6,446,131,400 (July 2005 est.)
Age structure:
0-14 years: 27.8% (male 919,726,623; female 870,468,158)
15-64 years: 64.9% (male 2,117,230,183; female 2,066,864,970)
65 years and over: 7.3% (male 207,903,775; female 263,627,270)
note: some countries do not maintain age structure information, thus
a slight discrepancy exists between the total world population and
the total for world age structure (2005 est.)
Median age: total: 27.6 years male: 27 years female: 28.2 years (2005 est.)
Population growth rate:
1.14% (2005 est.)
Birth rate:
20.15 births/1,000 population (2005 est.)
Death rate:
8.78 deaths/1,000 population (2005 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: 0.79 male(s)/female
total population: 1.01 male(s)/female (2005 est.)
Infant mortality rate:
total: 50.11 deaths/1,000 live births
male: 52.1 deaths/1,000 live births
female: 48.01 deaths/1,000 live births (2005 est.)
Life expectancy at birth:
total population: 64.33 years
male: 62.73 years
female: 66.04 years (2005 est.)
Total fertility rate:
2.6 children born/woman (2005 est.)