A specialist in population control is an expert in managing the growth of human populations. Such specialists can be known by various synonyms depending on the specific area of expertise. A population planner, for instance, is a specialist who focuses on creating plans for population growth and resources allocation. An environmental demographer, on the other hand, studies the relationship between the natural environment and human populations, with the aim of developing sustainable strategies. A population dynamics expert studies the factors that influence population growth rates, while a family planning counselor provides guidance and support for individuals and families making decisions about fertility. Other synonyms for a specialist in population control include demographer, reproductive health expert, and birth control specialist.