4 ms·
Sounds about right. If people don't die young, the population pyramid becomes a rectangle, so there should be approximately the same number of people under 5 as
by Asooka 7y ago
Sounds about right. If people don't die young, the population pyramid becomes a rectangle, so there should be approximately the same number of people under 5 as above max age - 5, let's say 80.
- ironSkillet 7y agoThat's only true if birth rates also remain constant across time, which is not the case.