Over the next 30 years, the number of people aged 65 and older will do

Over the next 30 years, the number of people aged 65 and older will double, while the number of adults under age 65 will increase by less than 15 percent. In addition to those
demographic changes, costs per enrollee in federal health care programs are likely to continue growing much faster than inflation. These pressures will cause federal spending for health care programs to increase by more than two-thirds as a share of the economy.

If the statements above are all true, which of the following can properly be inferred on the basis of them?

A. Federal spending on health care programs currently accounts for less than one-third of the government’s spending.
B. Over a 30 year period, costs per enrollee in federal health care programs must grow faster than inflation.
C. Currently, people 35 years of age or older make up a larger proportion of the population than do people under 35 years of age.
D. Countries with a larger proportion of citizens over 65 often have crippling health care costs.
E. Countries with younger populations spend less than two-thirds of their budgets on federal health care programs.

Source: McGraw-Hill's GMAT