mortality
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GC: n

S: WHO – http://www.who.int/topics/mortality/en/ (last access: 26 October 2016); http://www.mortality.org/ (last access: 25 April 2013);

N: 1. mid-14c., “condition of being mortal,” from Old French mortalite “massacre, slaughter; fatal illness; poverty; destruction” (12c.), from Latin mortalitem (nominative mortalitas) “state of being mortal; subjection to death,” from mortalis (see mortal (adj.)). Meaning “widespread death” is from c.1400; meaning “number of deaths from some cause or in a given period” is from 1640s.
2. mortality, in demographic usage, the frequency of death in a population.
In general, the risk of death at any given age is less for females than for males, except during the childbearing years (in economically developed societies females have a lower mortality even during those years). The risk of death for both sexes is high immediately after birth, diminishing during childhood and reaching a minimum at 10 to 12 years of age. The risk then rises again, until at late ages it surpasses that of the first year of life.

S: 1. http://www.etymonline.com/index.php?allowed_in_frame=0&search=mortality&searchmode=none (last access. 4 September 2014). 2. EncBrit (last access. 4 September 2014).

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CR: death toll, fatal, life expectancy.