Demographers.
These scientists are called anthropologists.
Biology OR Anatomy
You'd call them a sociologist if they study society and group behavior or a psychologist when it involves just one subject.
Cultural Anthropology, social anthropology, physical anthropology
A person who studies human bones may be known as an Osteologist. Physical anthropologists may also study human bones. People who study animal bones from archaeological sites are known as zooarchaeologists.
are you joking? the population has nothing to do with how the moon works. how dare you call yourself a human for not knowing how stupid that sounds.
That person is called an archaeologist. They study human history and prehistory through the excavation of sites and analysis of artifacts.
This happens through site investigations. The course of study the deals with the study of ancient human history and earth remains is call archaeology.
it call PTERIDOLOGY they are the scientist who study about ferns..
A cultural Anthropologist, though I would not call them scientists.Perhaps a Sociobiologist or a Human Behavioral Ecologist would be more scientifically inclined here.
Anthropometry is the scientific study of the measurements and proportions of the human body. It is often used in forensic science for purposes such as identifying individuals based on their physical characteristics.