There's no alternative to taxation.
Pollard
T
T
D000368:Aged; D003365:Costs and Cost Analysis / Q000639:trends; D005544:Forecasting; D006299:Health Services for the Aged / Q000191:economics*; D006801:Humans; D011157:Population Dynamics; D013222:State Medicine / Q000191:economics*; D013660:Taxes / Q000191:economics*