Counterfactual population projections have been used to estimate the contributions of fertility and mortality to population ageing, a method recently designated as the gold standard for this purpose.

Bifurcation theory provides a mathematical framework for understanding qualitative changes in the dynamics of systems as parameters vary. In the context of age-structured population models, this ...

Rapa Nui or Te Pito o Te Henua (the navel of the world), also known as Easter Island, is one of the most isolated inhabited places in the world. Located in the Pacific, it lies over 1,900 km east of ...