United States

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Introduction - United States:
Location - United States:
People - United States:

Population

301,139,947 (July 2007 est.)

Age structure

0-14 years: 20.2% (male 31,152,050/female 29,777,438)
15-64 years: 67.2% (male 100,995,752/female 101,365,035)
65 years and over: 12.6% (male 15,858,477/female 21,991,195) (2007 est.)

Median age

total: 36.6 years
male: 35.3 years
female: 37.9 years (2007 est.)

Population growth rate

0.894% (2007 est.)

Birth rate

14.16 births/1,000 population (2007 est.)

Death rate

8.26 deaths/1,000 population (2007 est.)

Net migration rate

3.05 migrant(s)/1,000 population (2007 est.)

Sex ratio

at birth: 1.05 male(s)/female
under 15 years: 1.046 male(s)/female
15-64 years: 0.996 male(s)/female
65 years and over: 0.721 male(s)/female
total population: 0.967 male(s)/female (2007 est.)

Infant mortality rate

total: 6.37 deaths/1,000 live births
male: 7.02 deaths/1,000 live births
female: 5.68 deaths/1,000 live births (2007 est.)

Life expectancy at birth

total population: 78 years
male: 75.15 years
female: 80.97 years (2007 est.)

Total fertility rate

2.09 children born/woman (2007 est.)

Hiv aids adult prevalence rate

0.6% (2003 est.)

Hiv aids people living with hiv aids

950,000 (2003 est.)

Hiv aids deaths

17,011 (2005 est.)

Nationality

noun: American(s)
adjective: American

Ethnic groups

white 81.7%, black 12.9%, Asian 4.2%, Amerindian and Alaska native 1%, native Hawaiian and other Pacific islander 0.2% (2003 est.)
note: a separate listing for Hispanic is not included because the US Census Bureau considers Hispanic to mean a person of Latin American descent (including persons of Cuban, Mexican, or Puerto Rican origin) living in the US who may be of any race or ethnic group (white, black, Asian, etc.)

Religions

Protestant 52%, Roman Catholic 24%, Mormon 2%, Jewish 1%, Muslim 1%, other 10%, none 10% (2002 est.)

Languages

English 82.1%, Spanish 10.7%, other Indo-European 3.8%, Asian and Pacific island 2.7%, other 0.7% (2000 census)
note: Hawaiian is an official language in the state of Hawaii

Literacy

definition: age 15 and over can read and write
total population: 99%
male: 99%
female: 99% (2003 est.)

Government - United States:
Economy - United States:
Communications - United States:
Transportation - United States:
Military - United States:
This page was last updated on 16 September, 2007
Source: CIA >>>


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Free IQ test online

An Intelligence Quotient or IQ is a score derived from one of several different standardized tests attempting to measure intelligence. Although the term "IQ" is still in common use, the scoring of modern IQ tests such as the Wechsler Adult Intelligence Scale is now based on a projection of the subject's measured rank on the Gaussian bell curve with a center value (average IQ) of 100, and a standard deviation of 15, although different tests may have different standard deviations. The average IQ scores for many populations have been rising at an average rate of three points per decade since the early 20th century with most of the increase in the lower half of the IQ range: a phenomenon called the Flynn effect. It is disputed whether these changes in scores reflect real changes in intellectual abilities, or merely methodological problems with past or present testing. (Wikipedie)

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Photo: United States
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