Social Security Administration data (from the Annual Statistical Supplement to the 2015 Social Security Bulletin) on the estimated size of the population in the Social Security area and percentage fully insured, by sex and age, 2011–2015. The population in the Social Security area includes residents of the 50 states and the District of Columbia adjusted for net census undercount; civilian residents of American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and U.S. Virgin Islands; federal civilian employees and persons in the armed forces abroad and their dependents; crew members of merchant vessels; and all other U.S. citizens abroad.
Connected to Sustainable Development Goal Indicator 1.3.1 - Proportion of population covered by social protection floors/systems, by sex, distinguishing children, unemployed persons, older persons, persons with disabilities, pregnant women, newborns, work-injury victims and the poor and the vulnerable
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