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:
According to the US Census Bureau persons with doctorates in the United States had an average income of roughly $81,400. The average for an advanced degree was $72,824 with men averaging $90,761 and women averaging $50,756 annually.he state with the highest median household income in the United States as of the US Census Bureau 2009 is Maryland with $69,272, followed by New Jersey, Connecticut and Alaska, making the Northeastern United States the wealthiest area by income in the entire country.