Sex ratio:
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 0.92 male(s)/female (2005 est.)

Infant mortality rate:
total: 8.24 deaths/1,000 live births
male: 9.52 deaths/1,000 live births
female: 6.9 deaths/1,000 live births (2005 est.)

Life expectancy at birth:
total population: 78.29 years
male: 74.35 years
female: 82.43 years (2005 est.)

Total fertility rate:
1.91 children born/woman (2005 est.)

HIV/AIDS - adult prevalence rate:
NA

HIV/AIDS - people living with HIV/AIDS:
7,397 (1997)

HIV/AIDS - deaths:
NA

Nationality:
noun: Puerto Rican(s) (US citizens)
adjective: Puerto Rican

Ethnic groups:
white (mostly Spanish origin) 80.5%, black 8%, Amerindian 0.4%,
Asian 0.2%, mixed and other 10.9%

Religions:
Roman Catholic 85%, Protestant and other 15%