Living longer.

• Position: HEALTH - Brief article - Statistical data

Life expectancy--the number of years newborns are expected to live--has increased dramatically since ancient times. The world average today is 68 years, but it's even higher in developed countries like the U.S., where females can expect to live to 82 and males to 77.

STONE AGE 25 ca. 17,000 B.C. to 2,000 B.C. ANCIENT GREECE & ROME 28 ca. 1,200 B.C. to 400 A.D. MIDDLE AGES 30 ca. 400 A.D. to 1,450 A.D. 1900 31 1950 48...