When the members of a population move out of a given area, it is called emigration.
Properly put, emigration is a component of population growth that takes cognizance of the number of individuals of a population that move out of the population.
Emigration is as opposed to immigration which has to do with the number of individuals that join a population from another population.
All other things being constant, a population would increase in size if immigration is more than emigration while the size of a population would decrease if more people emigrate than immigrate.
More on factors that affect population size can be found here: https://brainly.com/question/11867138
