AP Environmental Science

Answer: A - 80 percent of the world’s population lives in developing countries.

Key Takeaway: A developing country typically means that a given nation has a relatively low standard of living and thus, a low level of material well being. The levels of development within these countries vary widely, so there is actually no standard definition. Still, it generally means that a country has a low gross domestic product and a lower level of industrialization. It is estimated that up to 80 percent of the world’s population lives in developing countries.