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

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.)

Population:
7,021,836,029 (July 2012 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
[see also: Population country ranks ]

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

Median age:
total: 28.4 years
[see also: Median age - total country ranks ]
male: 27.7 years
[see also: Median age - male country ranks ]
female: 29 years (2009 est.)
[see also: Median age - female country ranks ]

Population growth rate:
1.096%
note: this rate results in about 145 net additions to the worldwide population every minute or 2.4 every second (2012 est.)
[see also: Population growth rate country ranks ]

Birth rate:
19.14 births/1,000 population
note: this rate results in about 252 worldwide births per minute or 4.2 births every second (2012 est.)
[see also: Birth rate country ranks ]

Death rate:
7.99 deaths/1,000 population
note: this rate results in about 107 worldwide deaths per minute or 1.8 deaths every second (July 2012 est.)
[see also: Death rate country ranks ]

Urbanization:
urban population: 50.5% of total population (2010)
[see also: Urbanization - urban population country ranks ]
rate of urbanization: 1.85% annual rate of change (2010-15 est.)
[see also: Urbanization - rate of urbanization country ranks ]
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
[see also: Sex ratio - at birth country ranks ]
under 15 years: 1.07 male(s)/female
[see also: Sex ratio - under 15 years country ranks ]
15-64 years: 1.02 male(s)/female
65 years and over: 0.79 male(s)/female
[see also: Sex ratio - 65 years and over country ranks ]
total population: 1.01 male(s)/female (2012 est.)
[see also: Sex ratio - total population country ranks ]

Infant mortality rate:
total: 39.48 deaths/1,000 live births
[see also: Infant mortality rate - total country ranks ]
male: 41.42 deaths/1,000 live births
[see also: Infant mortality rate - male country ranks ]
female: 37.4 deaths/1,000 live births (2012 est.)
[see also: Infant mortality rate - female country ranks ]

Life expectancy at birth:
total population: 67.59 years
male: 65.59 years
[see also: Life expectancy at birth - male country ranks ]
female: 69.73 years (2012 est.)
[see also: Life expectancy at birth - female country ranks ]

Total fertility rate:
2.47 children born/woman (2012 est.)
[see also: Total fertility rate country ranks ]

Hospital bed density:
2.94 beds/1,000 population (2005)
[see also: Hospital bed density country ranks ]

Drinking water source:
improved: