TheFill up

If you find it hard to understand the fill-up in the text and static images in this book, we find it easier to explain with animations, or with our own hands; see (This phenomenon is also called the demographic momentum. For technical descriptions see UN-Pop[6, 7]).


This page is under construction. We are working on it (and a lot of other pages too). If you need this particular page urgently, you can always drop us a line, and we might be able to push it to the top of our prio list… Contact us at [email protected]

Date Posted: 2018-03-09