@article{Goldstein_S8_2,
author = {Goldstein, Joshua R.},
title={{Life lived equals life left in stationary populations}},
journal = {Demographic Research},
volume = {S8},
number = {2},
pages = {3--6},
doi = {10.4054/DemRes.2009.20.2},
year = {2009},
abstract = {The average age of the individuals in a population is equal to the average remaining life expectancy when the population is stationary.},
URL = {https://www.demographic-research.org/special/8/2/},
eprint = {https://www.demographic-research.org/special/8/2/s8-2.pdf}
}