What do fractions in demographic stats (such as birthrates, fertility rates, life expectancy, death rates, etc.) mean?

IJustWentPsycho@lemm.ee to No Stupid Questions@lemmy.world – 3 points –

EDIT: Thanks for the answers

3

These things are averages, and the average of integers can be a non-integer. If two women have one child each and a third woman has two children, the average woman has 1.33 children. Is that what you meant?