Population:
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3,969,558 (July 2004 est.)
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Age structure:
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0-14 years: 21% (male 430,905; female 404,218)
15-64 years: 67.5% (male 1,342,233; female 1,337,580)
65 years and over: 11.5% (male 199,379; female 255,243) (2004 est.)
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Median age:
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total: 33.4 years
male: 32.6 years
female: 34.2 years (2004 est.)
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Population growth rate:
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1.16% (2004 est.)
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Birth rate:
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14.47 births/1,000 population (2004 est.)
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Death rate:
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7.91 deaths/1,000 population (2004 est.)
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Net migration rate:
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4.99 migrant(s)/1,000 population (2004 est.)
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Sex ratio:
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at birth: 1.07 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.78 male(s)/female
total population: 0.99 male(s)/female (2004 est.)
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Infant mortality rate:
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total: 5.5 deaths/1,000 live births
female: 4.92 deaths/1,000 live births (2004 est.)
male: 6.04 deaths/1,000 live births
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Life expectancy at birth:
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total population: 77.36 years
male: 74.74 years
female: 80.15 years (2004 est.)
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Total fertility rate:
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1.87 children born/woman (2004 est.)
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HIV/AIDS - adult prevalence rate:
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0.1% (2001 est.)
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HIV/AIDS - people living with HIV/AIDS:
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2,400 (2001 est.)
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HIV/AIDS - deaths:
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less than 100 (2001 est.)
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Nationality:
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noun: Irishman(men), Irishwoman(women), Irish (collective plural)
adjective: Irish
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Ethnic groups:
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Celtic, English
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Religions:
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Roman Catholic 91.6%, Church of Ireland 2.5%, other 5.9% (1998)
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Languages:
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English is the language generally used, Irish (Gaelic) spoken mainly in areas located along the western seaboard
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Literacy:
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definition: age 15 and over can read and write
total population: 98% (1981 est.)
male: NA
female: NA
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