fertility ratio

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• Fertility — is the natural capability of giving life. As a measure, Fertility Rate is the number of children born per couple, person or population. This is different from fecundity, which is defined as the potential for reproduction (influenced by gamete… …   Wikipedia

• ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… …   Medical dictionary

• fertility — noun 1. the ratio of live births in an area to the population of that area; expressed per 1000 population per year • Syn: ↑birthrate, ↑birth rate, ↑fertility rate, ↑natality • Hypernyms: ↑rate 2. the state of being fertile; capable of producing… …   Useful english dictionary

• fertility rate — noun the ratio of live births in an area to the population of that area; expressed per 1000 population per year • Syn: ↑birthrate, ↑birth rate, ↑fertility, ↑natality • Hypernyms: ↑rate …   Useful english dictionary

• Sub-replacement fertility — is a total fertility rate (TFR) that (if sustained) leads to each new generation being less populous than the previous one in a given area. In developed countries sub replacement fertility is any rate below approximately 2.1 children born per… …   Wikipedia

• Human sex ratio — In anthropology and demography, the human sex ratio is the sex ratio for Homo sapiens (i.e. the ratio of males to females in a population). Like most sexual species, the sex ratio is approximately 1:1. In humans the secondary sex ratio (i.e. at… …   Wikipedia

• Digit ratio — Not to be confused with Benford s law about the frequencies of leading digits of numbers. Hand with index finger being shorter than the ring finger, resulting in a small 2D:4D ratio, pointing to a high exposure to testosterone in the uterus. The… …   Wikipedia

• Waist–hip ratio — Measurement of waist hip ratio: In a lean person (left), the waist can be measured at its narrowest point, while for a person with convex waist (right), it may be measured at about one inch[1] above the navel. The hip is measured at its widest… …   Wikipedia

• Dependency ratio — Age dependency ratio by country, 2008. Based on World Bank data. In economics and geography the dependency ratio is an age population ratio of those typically not in the labor force (the dependent part) and those typically in the labor force (the …   Wikipedia

• Waist-hip ratio — or Waist to hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips. It is calculated by measuring the waist circumference (located just above the upper hip bone) and dividing by the hip circumference at its widest part …   Wikipedia

• dependency ratio — A simple indicator of the age composition of the population which typically varies in the range 0.5 to 1.00. Early definitions of the dependency ratio refer to the total number of young dependants divided by the total number of persons of… …   Dictionary of sociology