World Demographics Profile 2012

Population

6,928,198,253 (July 2011 est.)
top ten most populous countries (in millions): China 1,336.72; India 1,189.17; United States 313.23; Indonesia 245.61; Brazil 203.43; Pakistan 187.34; Bangladesh 158.57; Nigeria 155.22; Russia 138.74; Japan 126.48 (July 2011 est.)

Age structure

0-14 years: 26.3% (male 944,987,919/female 884,268,378)
15-64 years: 65.9% (male 2,234,860,865/female 2,187,838,153)
65 years and over: 7.9% (male 227,164,176/female 289,048,221) (2011 est.)

Median age

total: 28.4 years
male: 27.7 years
female: 29 years (2009 est.)

Population growth rate

1.092%
note: this rate results in about 145 net additions to the worldwide population every minute or 2.4 every second (2011 est.)

Birth rate

19.15 births/1,000 population
note: this rate results in about 252 worldwide births per minute or 4.2 births every second (2011 est.)

Death rate

8.12 deaths/1,000 population
note: this rate results in about 107 worldwide deaths per minute or 1.8 deaths every second (July 2011 est.)

Urbanization

urban population: 50.5% of total population (2010)
rate of urbanization: 1.85% annual rate of change (2010-15 est.)
ten largest urban agglomerations: Tokyo (Japan) - 36,669,000; Delhi (India) - 22,157,000; Sao Paulo (Brazil) - 20,262,000; Mumbai (India) - 20,041,000; Mexico City (Mexico) - 19,460,000; New York-Newark (US) - 19,425,000; Shanghai (China) - 16,575,000; Kolkata (India) - 15,552,000; Dhaka (Bangladesh) - 14,648,000; Karachi (Pakistan) - 13,125,000 (2009)

Sex ratio

at birth: 1.07 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 1.01 male(s)/female (2011 est.)

Infant mortality rate

total: 41.61 deaths/1,000 live births
male: 43.52 deaths/1,000 live births
female: 39.55 deaths/1,000 live births (2011 est.)

Life expectancy at birth

total population: 67.07 years
male: 65.21 years
female: 69.05 years (2011 est.)

Total fertility rate

2.46 children born/woman (2011 est.)

HIV/AIDS - adult prevalence rate

0.8% (2009 est.)

HIV/AIDS - people living with HIV/AIDS

33.3 million (2009 est.)

HIV/AIDS - deaths

1.8 million (2009 est.)

Religions

Christian 33.35% (of which Roman Catholic 16.83%, Protestant 6.08%, Orthodox 4.03%, Anglican 1.26%), Muslim 22.43%, Hindu 13.78%, Buddhist 7.13%, Sikh 0.36%, Jewish 0.21%, Baha'i 0.11%, other religions 11.17%, non-religious 9.42%, atheists 2.04% (2009 est.)

Languages

Mandarin Chinese 12.44%, Spanish 4.85%, English 4.83%, Arabic 3.25%, Hindi 2.68%, Bengali 2.66%, Portuguese 2.62%, Russian 2.12%, Japanese 1.8%, Standard German 1.33%, Javanese 1.25% (2009 est.)
note: percents are for "first language" speakers only; the six UN languages - Arabic, Chinese (Mandarin), English, French, Russian, and Spanish (Castilian) - are the mother tongue or second language of about half of the world's population, and are the official languages in more than half the states in the world

Literacy

definition: age 15 and over can read and write
total population: 83.7%
male: 88.3%
female: 79.2%
note: over two-thirds of the world's 793 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 (2005-09 est.)

School life expectancy (primary to tertiary education)

total: 11 years
male: 11 years
female: 11 years (2008)

Education expenditures

4.4% of GDP (2007)

Hospital bed density

2.94 beds/1,000 population (2005)