Conflict, crisis, and the future of old age security.
D000368:Aged; D003220:Conflict, Psychological; D005060:Europe; D005544:Forecasting; D006801:Humans; D009826:Old Age Assistance / Q000639:trends*; D011157:Population Dynamics; D011632:Public Assistance / Q000639:trends*; D011639:Public Opinion; D011640:Public Policy; D012943:Social Security / Q000639:trends*; D014481:United States