2. ALTERATIONS IN BODY FUNCTION RELATED TO THE AGING PROCESS

3. SUB GROUPS OF LATE ADULTHOOD Young old—ages 65 to 74 years Middle old—ages 75 to 84 years Old old—ages 85 to 99 years Elite old—ages 100 years and older

4. Question What is the current estimated percentage of individuals older than 65 years in the United States? A.13% B.18% C.22% D.35%

5. Answer: A Rationale: The percentage of individuals older than 65 years in the United States is about 13%.

6. Age seems to creep up on us without warning. Jerome Tisne/Iconica/Getty Imageshttp://health.howstuffworks.com/life-stages/aging/healthy-aging- pictures1.htmare

7. Average Life Expectancy (2005-2010) Listed by the United Nations Average Age Males Females 1 Japan 82.6 79.0 86.1Japan 2 Hong Kong 82.2 79.4 85.1Hong Kong 3 Iceland 81.8 80.2 83.3Iceland 4 Switzerland 81.7 79.0 84.2Switzerland 5 Australia 81.2 78.9 83.6Australia 6 Spain 80.9 77.7 84.2Spain 7 Sweden 80.9 78.7 83.0Sweden 8 Israel 80.7 78.5 82.8Israel 9 Macau 80.7 78.5 82.8Macau 10France 80.7 77.1 84.1France 38 United States 78.2 75.6 80.8United States http://en.wikipedia.org/wiki/List_of_countries_by_life_expectancy

8. LIFE EXPECTANCY Health Statistics > Life expectancy at birth > Total population (most recent) by country Health Statistics 1 Macau: 84.33 years 2008 Macau # 2 Andorra: 82.67 years 2008 Andorra # 3 Japan: 82.07 years 2008 Japan # 4 Singapore: 81.89 years 2008 Singapore # 5 San Marino: 81.88 years 2008 San Marino # 6 Hong Kong: 81.77 years 2008 Hong Kong # 7 Australia: 81.53 years 2008 Australia # 8 Canada: 81.16 years 2008 Canada # 9 France: 80.87 years # 47 2008 France = 10 Switzerland: 80.74 years 2008 Switzerland 48 United States: 78.14 years 2008United States http://www.nationmaster.com/graph/hea_lif_exp_at_bir_tot_pop-life-expectancy-birth-total- population