Descriptions of Pleural cavity. Pleural cavity: The space enclosed by the pleura, which is a thin layer of tissue that covers the lungs and lines the interior wall of the chest cavity. Source: National Institute of Health. Pleural cavity: the cavity in the thorax that contains the lungs.
These and other retirement income streams produced an average income of $31,742 for people age 65 and older in 2012, according to a recent AARP Public Policy Institute analysis of Census Bureau data. Here's how older Americans are paying their bills in retirement:
The average Social Security payment for retired workers in 2014 is about $1,300. For 22 percent of married couples and 47 percent of single people, Social Security accounts for 90 percent or more of their income in retirement, the Social Security Administration reports.ccording to the National Institute on Retirement Security, 45 percent of working-age households have no retirement savings at all. Among people 55 to 64, average household retirement savings total only $12,000.