People reaching age 65 have an average life expectancy of an additional 19.3 years, (20.5 years for women, and 17.9 years for men).
There were 67,347 persons aged 100 or more in 2013.
About 28% (12.5 million) of noninstitutionalized older persons live alone (8.8 million women, 3.8 million men)
Almost half of older women (46%) age 75+ live alone.
The population 65 and over has increased from 35.9 million in 2003 to 44.7 million in 2013, a 24.7% increase and is projected to more than double to 98 million in 2060.
