| A | B |
| economics | study of the production and distribution of goods and services |
| goods | products people buy and use |
| services | duties performed in exchange for money |
| resources | items used to produce goods |
| supply | amount of goods or services sellers try to exchange at a given price |
| demand | amount of goods or services buyers are willing to purchase at a given price |
| scarcity | not enough of a supply |
| standard of living | how well a country's economy is doing |
| population density | population divided by # of square miles |
| literacy rate | % of people who can read and write in a country |
| per capita GDP | average amount of money a person makes in 1 year in a country |
| % of population under 15 | percentage of people under the age of 15 |
| life expectancy | average age a person is expected to live to in a country |
| HDI (Human Development Index) | combination of literacy rate, life expectancy, GDP to see how well a country is doing |
| Highest Possible HDI | 1.00 |