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USA Statistics in Brief--Population by Sex and Age

POPULATION 2000 2004 2005 2006 2007
Resident population (1,000) 281,425 293,192 295,896 298,755 301,621
Male (1,000) 138,056 144,224 145,649 147,160 148,659
Female (1,000) 143,368 148,967 150,247 151,595 152,962
Under 5 years old (1,000) 19,176 20,060 20,300 20,452 20,724
5 to 17 years old (1,000) 53,119 53,158 53,132 53,216 53,178
18 to 44 years old (1,000) 112,184 113,025 112,937 113,050 113,245
45 to 64 years old (1,000) 61,954 70,651 72,782 74,784 76,587
65 years old and over (1,000) 34,992 36,297 36,746 37,253 37,888

Percent distribution--

Male (percent) 49.1 49.2 49.2 49.3 49.3
Female (percent) 50.9 50.8 50.8 50.7 50.7
Under 5 years old (percent) 6.8 6.8 6.9 6.8 6.9
5 to 17 years old (percent) 18.9 18.1 18.0 17.8 17.6
18 to 44 years old (percent) 39.9 38.6 38.2 37.8 37.5
45 to 64 years old (percent) 22.0 24.1 24.6 25.0 25.4
65 years old and over (percent) 12.4 12.4 12.4 12.5 12.6

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Source: U.S. Census Bureau, Administration and Customer Services Division