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| 5020822678 | demography | scientific study of population | 0 | |
| 5020822679 | arithmetic density | total number of people divided by the total land area | 1 | |
| 5020822680 | physiological density | number of people supported by a unit of arable land | 2 | |
| 5020822681 | agricultural density | ratio of the number of farmers to the amount of arable land | 3 | |
| 5020822682 | crude birth rate (cbr) | total number of live | 4 | |
| 5045598471 | crude death rate (cdr) | the total number of deaths in a year for every 1,000 people alive in society. | 5 | |
| 5045598472 | natrual increase rate | is the percentage by which a population grows in a year | 6 | |
| 5054112279 | doubling time | number of years needed to double a population | 7 |