Final answer:
The government adjusts the official poverty line each year based on the buying power over time. The U.S. poverty line in 2015 ranged from $11,790 for a single individual to $25,240 for a household of four people.
Step-by-step explanation:
The government adjusts the official poverty line each year based on the buying power over time. The current U.S. poverty line is essentially the same as the Orshansky poverty line, although the government adjusts the dollar amounts to represent the same buying power over time. For example, the U.S. poverty line in 2015 ranged from $11,790 for a single individual to $25,240 for a household of four people.