As suggested, the aging populations in more developed countries will result in _____ health care costs and/but _____ in the size of the working population or labor pool.

A) increased; a reduction
B) increased; stagnation
C) steady; a decrease
D) nominal raises in; an increase

The aging population will result in increased health care costs due to greater demand for medical attention and treatments. At the same time, the size of the working population or labor pool will decrease, as a result of retirement and lower birth rates, leading to a reduction in the number of taxpayers supporting the health care system.