Population Size Dynamics

Population size dynamics refer to how the number of individuals in a population changes over time due to births, deaths, immigration, and emigration. Factors like high birth rates increase population, while high death rates decrease it. Migration can also cause growth or decline depending on whether people move into or out of a region. These changes are influenced by environmental, social, and economic conditions. Understanding population size dynamics helps in planning for resources, healthcare, and infrastructure, ensuring sustainable development and addressing challenges like overpopulation or aging populations.