2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83416A phenomenological theory of growth of the population of humankind is proposed. The theory based on the assumption about a multifractal nature of the set of number of people in temporal axis and contains control parameters. In particular cases the theory coincide with known Kapitza, Foerster, Hoerner phenomenological theories.Popular PhysicsGeneral Physicstext