Final answer:
In 2015, the highest poverty levels were found among the age range of 18-24.
Step-by-step explanation:
In 2015, the age range with the highest poverty levels was ages 18-24. According to Table 15.1, poverty rates are relatively high for this group compared to other age ranges. This means that a larger percentage of individuals within the ages 18-24 population were living below the poverty line in 2015.