tion:
3,927,188 (July 2006 est.)

Age structure:
0-14 years: 21.3% (male 428,610/female 409,484)
15-64 years: 65.8% (male 1,239,255/female 1,345,519)
65 years and over: 12.8% (male 218,045/female 286,275) (2006 est.)

Median age:
total: 34.7 years
male: 33 years
female: 36.4 years (2006 est.)

Population growth rate:
0.4% (2006 est.)

Birth rate:
12.77 births/1,000 population (2006 est.)

Death rate:
7.65 deaths/1,000 population (2006 est.)

Net migration rate:
-1.14 migrant(s)/1,000 population (2006 est.)

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 (2006 est.)

Infant mortality rate:
total: 9.14 deaths/1,000 live births
male: 10.32 deaths/1,000 live births
female: 7.9 deaths/1,000 live births (2006 est.)

Life expectancy at birth:
total population: 78.4 years
male: 74.46 years
female: 82.54 years (2006 est.)

Total fertility rate:
1.75 children born/woman (2006 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%

Languages:
Spanish, English

Literacy:
definition: age 15 and over can read and write
total population: 94.1%
male: 93.9%
female: 94.4% (2002 est.)

Government Puerto Rico

Country name:
conventional long form: Commonwealth of Puerto Rico
conventional short form: Puerto Rico

Dependency status:
unincorporated, organized territory of the US with commonwealth
status; policy relations between Puerto Rico and the US conducted
under the jurisdiction of the Office of the President

Government type:
commonwealth

Capital:
name: San Juan
geographic coordinates: 18 28 N, 66 07 W
time difference: UTC-4 (1 hour ahead of Washington, DC during
Standard Time)

Administrative divisions:
none (territory of the US with commonwealth status); there are no
first-order administrative divisions as defined by the US
Government, but there are 78 municipalities (municipios, singular -
municipio) at the second order; Adjuntas,