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PopPyramid
Population Pyramid Geoterms
| Term | Definition |
|---|---|
| Demography | The study of human populations, and how they change due to births, deaths, aging, and migration |
| Dependency ratio | The number of old and young people who don't work compared with the number of people who do work |
| Life expectancy | The average age a person is likely to live |
| Replacement rate | The total fertility rate needed for a population to replace itself |
| Total fertility rate | the average number of children a woman will have in her lifetime |
| Pension | A fixed amount of money paid to a retired person by a government or former employer |
| Baby boom | A sudden increase in the birth rate |
| Cohort | A group or section, for example 0-4 is one cohort on a population pyramid |