| Population: |
4,109,086 (July 2007 est.) |
| Age structure: |
0-14 years: 20.8% (male 442,664/female 413,556)
15-64 years: 67.5% (male 1,387,803/female 1,385,355)
65 years and over: 11.7% (male 212,782/female 266,926) (2007 est.) |
| Median age: |
total: 34.3 years
male: 33.5 years
female: 35.1 years (2007 est.) |
| Population growth rate: |
1.143% (2007 est.) |
| Birth rate: |
14.4 births/1,000 population (2007 est.) |
| Death rate: |
7.79 deaths/1,000 population (2007 est.) |
| Net migration rate: |
4.82 migrant(s)/1,000 population (2007 est.) |
| Sex ratio: |
at birth: 1.07 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 1.002 male(s)/female
65 years and over: 0.797 male(s)/female
total population: 0.989 male(s)/female (2007 est.) |
| Infant mortality rate: |
total: 5.22 deaths/1,000 live births
male: 5.72 deaths/1,000 live births
female: 4.69 deaths/1,000 live births (2007 est.) |
| Life expectancy at birth: |
total population: 77.9 years
male: 75.27 years
female: 80.7 years (2007 est.) |
| Total fertility rate: |
1.86 children born/woman (2007 est.) |
| HIV/AIDS - adult prevalence rate: |
0.1% (2001 est.) |
| HIV/AIDS - people living with HIV/AIDS: |
2,800 (2001 est.) |
| HIV/AIDS - deaths: |
less than 100 (2003 est.) |
| Nationality: |
noun: Irishman(men), Irishwoman(women), Irish (collective plural)
adjective: Irish |
| Ethnic groups: |
Celtic, English |
| Religions: |
Roman Catholic 88.4%, Church of Ireland 3%, other Christian 1.6%, other 1.5%, unspecified 2%, none 3.5% (2002 census) |
| Languages: |
English (official) is the language generally used, Irish (Gaelic or Gaeilge) (official) spoken mainly in areas located along the western seaboard |
| Literacy: |
definition: age 15 and over can read and write
total population: 99%
male: 99%
female: 99% (2003 est.) |