The National Center for Health Statistics provides an annual picture of the health of the entire nation in Health, United States, 2009.
Arthritis and other musculoskeletal conditions are the most frequently reported cause of activity limitaions among working-age adults. Chronic physical, mental and emotional conditions can limit the ability of adults to perform important activities, such as working and doing everyday household chores.
Arthritis and other musculoskeletal conditions were the most frequently mentioned chronic conditions causing activity limitations among adults 65 years of age and over. Since 2000, the percentage of non-institutionalized adults 65 years of age and over with limitation of activitiy has remained 34%-35%. In 2006-2007, the percentage of older adults with limitation of activity increased with age from 26% of 65-74 year-olds, to 36% of 75-84 year-olds, and 62% of adults 85 years and over.
Source: CDC/NCHS, Health, United States, 2009, Figure 15
Data from the National Health Interview Survey (including unpublished analysis)