Which of the following accurately describes a key trend in the population and economy of the United States in recent years?
A) The population growth rate has been accelerating rapidly, leading to significant increases in urbanization.
B) The economy has experienced consistent deflation, leading to lower prices and increased purchasing power.
C) The population has been aging, with a growing proportion of elderly individuals and a slowing overall growth rate.
D) There has been a significant decrease in technological innovation, resulting in slower economic growth.