Demography world history definition

What is the definition of demography in world history?
Demography is the statistical study of human populations.
Demography examines the size, structure, and movements of populations over space and time.
It uses methods from history, economics, anthropology, sociology, and other fields..
What is the demography meaning?
the study of people in a particular area, to discover how many have particular characteristics and to record changes in the number of males, females, births, marriages, deaths, etc.: Demography is the statistical study of human populations..
What is the meaning of demographic history?
Demographic history is the reconstructed record of human population in the past.
Given the lack of population records prior to the 1950s, there are many gaps in our record of demographic history.
Historical demographers must make do with estimates, models and extrapolations..

What is the definition of demography in world history?