Charts on 43
According to the chart, from 1950 to 2000, the United States is facing the aging problem, the percentage of older people increased and 3 percent, so that these old people could live longer because of health care. However, as the percentage of teens decreased, I think, more or less, the population of America is decreased. As this rate, in 2050, more old people will have health care.
chart on 45
According to this chart, the difference between wealthier and poorer countries is obvious. It all depends on money, in wealthier countries, the people have better health care, so that they can live better, longer and healthier. However, just because the poorer countries do not have so much money to make their health care system better, the people there could not get a good health care, maybe they even do not have any health care systems.