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glossary * T *
| Demographical and statistical terms | Symbols |
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total divorce rate is the summation of the age-specific divorce rate and is defined for men or women. This rate is an indicator of a synthetic cohort giving the total number of divorces a men or a woman experiences on average throughout life based on observed period rates. |
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total numbers years is the number of person-years lived at age x and older. |
T x |
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total reproduction rate (or total fertility rate) is the summation of the series of age-specific fertility rates, or the average number of children that would be born alive to a hypothetical cohort of women if, throughout their reproductive years, the age-specific rates for the specified year remained unchanged. |
TFR |
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true rate of natural increase r see: intrinsic rate of natural increase. |