People
Nationality: Noun and adjective--Costa Rican(s).
Population (2001 est.): 3.94 million.
Annual growth rate (2001 est.): 2.3%.
Ethnic groups: European and some mestizo 94%, African origin 3%, Chinese 1%, indigenous 1%, other 1%.
Religion: Roman Catholic 76.3%, Evangelical Protestant approx. 13.7%, none 3.2%, others 6.8%.
Languages: Spanish, with Jamaican dialect of English spoken around Puerto Limon.
Education: Years compulsory--9. Attendance--99% grades 1-6, 71% grades 7-9. Literacy--95.5%.
Health: Infant mortality rate--10.8/1,000. Life expectancy--men 75.6 yrs., women 79.9 yrs.
Work force (2000, 1.39 million): Services--58%; agriculture--20%; industry--22%.

source: http://www.state.gov