Population: 6,790,062,216 (July 2009 est.)
Age structure: 0-14 years: 27.2% (male 950,127,898/female 894,359,186) 15-64 years: 65.2% (male 2,235,114,476/female 2,192,071,874) 65 years and over: 7.6% (male 227,748,114/female 290,640,668) (2009 est.)
Median age: total: 28.4 years male: 27.7 years female: 29 years (2009 est.)
Population growth rate: 1.167% (2009 est.)
Death rate: 8.2 deaths/1,000 population (2009 est.)
Net migration rate:
Sex ratio: at birth: 1.07 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.78 male(s)/female total population: 1.01 male(s)/female (2009 est.)
Infant mortality rate: total: 40.85 deaths/1,000 live births male: 43.85 deaths/1,000 live births female: 37.67 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 66.57 years male: 64.52 years female: 68.76 years (2009 est.)
Total fertility rate: 2.58 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: NA 0.8% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 33 million (2007 est.)
HIV/AIDS - deaths: 2 million (2007 est.)
Nationality:
Ethnic groups:
Religions: Christians 33.32% (of which Roman Catholics 16.99%, Protestants 5.78%, Orthodox 3.53%, Anglicans 1.25%), Muslims 21.01%, Hindus 13.26%, Buddhists 5.84%, Sikhs 0.35%, Jews 0.23%, Baha'is 0.12%, other religions 11.78%, non-religious 11.77%, atheists 2.32% (2007 est.)
Languages: Mandarin Chinese 13.22%, Spanish 4.88%, English 4.68%, Arabic 3.12%, Hindi 2.74%, Portuguese 2.69%, Bengali 2.59%, Russian 2.2%, Japanese 1.85%, Standard German 1.44%, French 1.2% (2005 est.) note: percents are for "first language" speakers only
Literacy: definition: age 15 and over can read and write total population: 82% male: 87% female: 77% note: over two-thirds of the world's 785 million illiterate adults are found in only eight countries (Bangladesh, China, Egypt, Ethiopia, India, Indonesia, Nigeria, and Pakistan); of all the illiterate adults in the world, two-thirds are women; extremely low literacy rates are concentrated in three regions, the Arab states, South and West Asia, and Sub-Saharan Africa, where around one-third of the men and half of all women are illiterate (2005 est.)