医疗费用已经占到美国经济的16 % 。 某些主要的经济学家估计，到2030年，医疗费用将会占国民生产总值的30 % ， 到本世纪末期有可能达到50 % 。
Some leading economists project that health expenditures, which already constitute 16% of the US economy, will rise to 30% of GDP by 2030, and perhaps approach 50% later in the century.