Blank world map for The poverty threshold line based on consumption generally refers to the cost and affordability of meeting basic needs, for example food, shelter, health, and education. The poverty threshold based on income refers to income only, notwithstanding the disagreements as to what kind of income should be used in the estimates. For instance, in the United States, the U.S. Census Bureau calculates the poverty threshold level of income, and thus the poverty line, for different family characteristics. In 2000, it was $17,463 for a family of four with two children. Families falling below this line are considered to be poor. Blank world map 2016.