Quick Answer. The average human running speed is 12 to 15 miles per hour for short-distance sprinting and 5 to 8 mph for long-distance running. Running times vary based on training and overall fitness levels.
Attachment D - Demographic Information on Older Individuals. Population Served. According to the U.S. Census Bureau, in 2010 there were 3.8 million people in Texas age 60 and older; they made up approximately 15 percent of the total Texas population of 25 million.
During the 20th century, the number of persons in the United States under age 65 has tripled. At the same time, the number aged 65 or over has jumped by a factor of 11! Consequently, the elderly, who comprised only 1 in every 25 Americans (3.1 million) in 1900, made up 1 in 8 (33.2 million) in 1994.etween 1960 and 1994, their numbers rose 274 percent. In contrast, the elderly population in general rose 100 percent and the entire U.S. population grew only 45 percent. The oldest old numbered 3 million in 1994, making them 10 percent of the elderly and just over 1 percent of the total population.