Population: 19,238,575
note: since the outbreak of hostilities between the government and armed Tamil separatists in the mid-1980s, several hundred thousand Tamil civilians have fled the island; as of mid-1999, approximately 66,000 were housed in 133 refugee camps in south India, another 40,000 lived outside the Indian camps, and more than 200,000 Tamils have sought refuge in the West (July 2000 est.)

Age structure:
0-14 years: 26% (male 2,605,251; female 2,490,416)
15-64 years: 67% (male 6,285,118; female 6,606,196)
65 years and over: 7% (male 602,470; female 649,124) (2000 est.)

Population growth rate: 0.89% (2000 est.)

Birth rate: 16.78 births/1,000 population (2000 est.)

Death rate: 6.43 deaths/1,000 population (2000 est.)

Net migration rate: -1.47 migrant(s)/1,000 population (2000 est.)

Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.95 male(s)/female
65 years and over: 0.93 male(s)/female
total population: 0.97 male(s)/female (2000 est.)

Infant mortality rate: 16.51 deaths/1,000 live births (2000 est.)

Life expectancy at birth:
total population: 71.83 years
male: 69.33 years
female: 74.45 years (2000 est.)

Total fertility rate: 1.98 children born/woman (2000 est.)

Nationality:
noun: Sri Lankan(s)
adjective: Sri Lankan

Ethnic groups: Sinhalese 74%, Tamil 18%, Moor 7%, Burgher, Malay, and Vedda 1%

Religions: Buddhist 70%, Hindu 15%, Christian 8%, Muslim 7% (1999)

Languages: Sinhala (official and national language) 74%, Tamil (national language) 18%
note: English is commonly used in government and is spoken competently by about 10% of the population

Literacy:
definition: age 15 and over can read and write
total population: 90.2%
male: 93.4%
female: 87.2% (1995 est.)