Social Security financing in North America.
Ballantyne
H C
HC
D000368:Aged; D002170:Canada; D003365:Costs and Cost Analysis; D005380:Financing, Government / Q000458:organization & administration*; D006801:Humans; D006278:Medicare; D010415:Pensions; D012943:Social Security / Q000191:economics*; D013660:Taxes; D014481:United States