Question

1. why are demographers concerned with human migration?

Explanation:

Demographers study population dynamics. Human migration affects population size, distribution, and composition in regions. It influences age - sex ratios, labor markets, cultural landscapes, and resource allocation. By analyzing migration, demographers can predict population trends, plan for social services (like education and healthcare), and understand social and economic changes.

Answer:

Demographers are concerned with human migration because it significantly impacts population characteristics (size, distribution, composition), labor markets, cultural aspects, and resource - related planning in different regions.