Population: 3,710,558 (July 2000 est.)

Age structure:
0-14 years: 32% (male 609,051; female 581,302)
15-64 years: 63% (male 1,177,262; female 1,150,673)
65 years and over: 5% (male 89,541; female 102,729) (2000 est.)

Population growth rate: 1.69% (2000 est.)

Birth rate: 20.69 births/1,000 population (2000 est.)

Death rate: 4.31 deaths/1,000 population (2000 est.)

Net migration rate: 0.54 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: 1.02 male(s)/female
65 years and over: 0.87 male(s)/female
total population: 1.02 male(s)/female (2000 est.)

Infant mortality rate: 11.49 deaths/1,000 live births (2000 est.)

Life expectancy at birth:
total population: 75.82 years
male: 73.3 years
female: 78.47 years (2000 est.)

Total fertility rate: 2.52 children born/woman (2000 est.)

Nationality:
noun: Costa Rican(s)
adjective: Costa Rican

Ethnic groups: white (including mestizo) 94%, black 3%, Amerindian 1%, Chinese 1%, other 1%

Religions: Roman Catholic 85%, Evangelical Protestant, approximately 14%, other less than 1%

Languages: Spanish (official), English spoken around Puerto Limon

Literacy:
definition: age 15 and over can read and write
total population: 94.8%
male: 94.7%
female: 95% (1995 est.)