Family planning most directly affects which process of population change?

Birth process

Family planning helps individuals and couples decide the number and spacing of their children. It can affect when births occur and may reduce unintended or closely spaced births. In population-change analysis, births are one of the direct components that add people to a population. Family planning does not directly move people across a boundary, change the area of a region, or itself constitute international migration.

Option A is correct because family planning most directly influences the birth process and, over time, the birth rate. Its wider effects may include changes in family size, health, and population structure, but the immediate demographic link is with births. Options B, C, and D identify processes that are not the direct target of family-planning decisions. The answer follows from matching the policy with the component it directly affects.

This is a Class 9 Geography question. Chapter: Population. Topic: Processes of Population Change.