Demography: The Study Of: Human Population

: The movement of people across borders. While net migration is zero at a global level, it is a critical driver of "fast demography" at the national level, often offsetting natural population declines in developed countries. The Demographic Transition Model (DTM)

Demography is the scientific study of human populations, primarily focusing on their size, composition, and spatial distribution, as well as the dynamic processes that drive change—, mortality , and migration . It is a multidisciplinary field, drawing on statistics, sociology, economics, and biology to analyze how individual life events shape global and local trends. The Core Pillars of Demography Demography: The Study of Human Population

: Death rates fall due to better sanitation and medicine, while birth rates remain high, leading to rapid population growth. : The movement of people across borders

: Both rates are low; the population stabilizes. It is a multidisciplinary field, drawing on statistics,