livsperiode
Livsperiode is a term used in several Scandinavian languages to denote the life period of a living being, either the span from birth to death or a particular phase within an individual’s life. In English-language contexts it is often discussed in relation to lifespan and life expectancy, though the term can also emphasize the qualitative aspects of different life stages.
In biology and demography, lifespan refers to the maximum duration a species can live under favorable conditions,
A life course perspective treats livsperiod as a sequence of stages and transitions—infancy, childhood, adolescence, adulthood,
Variability across populations is well documented, with differences in average life expectancy and the distribution of