A new Mathematical Model traces 12,000 years of population growth and warns how fast Earth's limits could reshape human life.

Japan is decades ahead of the rest of the world with an aging and shrinking population. There are some who claim we don’t know what will happen with future populations. However, the next 20 years are ...

In a new open-access study that I published with my late colleague Kostya Trachenko from Queen Mary University of London, I propose a surprisingly simple nonlinear mathematical equation that unifies ...

Minnesota’s population has grown in three ways: naturally via more births than deaths, people moving here from other states and international migration. Demographers point out, however, that in as few ...