| Population | 199,579 (July 2007 est.) |
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| Age structure | 0-14 years: 47.3% (male 47,796/female 46,589) 15-64 years: 49% (male 47,386/female 50,412) 65 years and over: 3.7% (male 3,383/female 4,013) (2007 est.) |
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| Median age | total: 16.2 years male: 15.7 years female: 16.8 years (2007 est.) |
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| Population growth rate | 3.13% (2007 est.) |
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| Birth rate | 39.72 births/1,000 population (2007 est.) |
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| Death rate | 6.28 deaths/1,000 population (2007 est.) |
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| Net migration rate | -2.14 migrant(s)/1,000 population (2007 est.) |
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| Sex ratio | at birth: 1.03 male(s)/female under 15 years: 1.026 male(s)/female 15-64 years: 0.94 male(s)/female 65 years and over: 0.843 male(s)/female total population: 0.976 male(s)/female (2007 est.) |
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| Infant mortality rate | total: 40.54 deaths/1,000 live births male: 42.42 deaths/1,000 live births female: 38.61 deaths/1,000 live births (2007 est.) |
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| Life expectancy at birth | total population: 67.64 years male: 66.03 years female: 69.3 years (2007 est.) |
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| Total fertility rate | 5.53 children born/woman (2007 est.) |
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People living with HIV/AIDS | NA |
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| HIV/AIDS - deaths | NA |
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| Nationality | noun: Sao Tomean(s) adjective: Sao Tomean |
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| Ethnic groups | mestico, angolares (descendants of Angolan slaves), forros (descendants of freed slaves), servicais (contract laborers from Angola, Mozambique, and Cape Verde), tongas (children of servicais born on the islands), Europeans (primarily Portuguese) |
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| Religions | Catholic 70.3%, Evangelical 3.4%, New Apostolic 2%, Adventist 1.8%, other 3.1%, none 19.4% (2001 census) |
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| Languages | Portuguese (official) |
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| Literacy | definition: age 15 and over can read and write total population: 84.9% male: 92.2% female: 77.9% (2001 census) |
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