Final answer:
In the United States, 20% of deaths in 1968 were among those aged 85 and older, indicative of the country's aging population and the increased need for age-related healthcare.
Step-by-step explanation:
In 1968, in the United States, 20% of deaths were among those aged 85 and older. This statistic reflects the rapidly aging population of the country, commonly referred to as "the graying of America." With advancements in healthcare and an increase in life expectancy, a larger proportion of the population consists of elderly individuals. This shift has major implications for policy decisions, especially concerning healthcare and social services targeted towards the needs of older adults.
Answer: B) 20%