In 2007,the average life expectancy at birth for persons born in the United States was 77.9 years, an increase of 1.1 years from 2000 and an increase of 0.2 years from 2006. For black males and females, and life expectancy increased by approximately 2 years from 2000 to 2007 and 0.5 years from 2006 to 2007. For white males and females,increases in life expectancy were smaller. Although the gap in life expectancy between white and black populations is narrowing, life expectancy for white males in 2007 (75.8 years) was 5.6 years greater than for black males (70.2) and 3.7 years greater for white females (80.7) than black females (77.0).
Source: cdc.gov