Although Japan has one of the world's highest life expectancies, it has experienced a net loss of population for many years, the result of declining birth rates and very low immigration rates. However, the population rose in both 2008 and 2009, largely due to Japanese citizens abroad returning home. This data was collected by a:

Question

Quizplus · Accepted Answer

The collection and analysis of demographic data, including population trends and patterns, is the domain of demography. It is a social science that is specifically concerned with the study of human populations, their characteristics, and their dynamics. Since the data in question pertains to Japan's population and its changes over time, a demographer is the most appropriate professional to have collected this information.

Although Japan Has One of the World's Highest Life Expectancies