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.
The world's growing population includes a large and dependent aging segment. In the United States, the aging population as defined by people over the age of 65 is expected to comprise almost 20 percent of the population by 2030 -- an 80 percent increase from 2000.ll 6.8 billion people on Earth could physically fit in a land the size of Texas at about 40 people per acre. Such a scenario gives rise to images of overcrowding and civil unrest while putting into perspective how much farmland there is to feed the population for quite some time.