Demography: The Study Of Human Population -

: Birth rates begin to fall as society urbanizes and education (especially for women) increases.

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

: The incidence of death in a population. Improvements in healthcare and nutrition have led to a significant increase in global life expectancy, which rose by over eight years between 1995 and 2026. : Birth rates begin to fall as society

: High birth and death rates; population size remains stable but low. The Core Pillars of Demography : The incidence

The structure and evolution of any population are determined by three fundamental variables:

Most modern demographic analysis is framed by the , which describes the historical shift from high birth and death rates to low ones as societies develop.

: Death rates fall due to better sanitation and medicine, while birth rates remain high, leading to rapid population growth.