Final answer:
Demography is the statistical study of population changes over time, focusing on birth and death rates, with the census being crucial for understanding population trends.
Explanation:
Demography is the statistical study of population changes over time, focusing on birth rates, death rates, and life expectancies. It helps analyze the dynamic nature of populations and how various factors impact population characteristics.
One key measure in demography is the mortality rate, which indicates the number of deaths in a population within a specific time frame. Another essential aspect is the census, an official count of the number of people in a given area, providing valuable data for demographers to understand population trends.
Understanding these demographic measures, including fertility rates, death rates, and population compositions, is crucial for studying population dynamics and formulating policies related to healthcare, education, and social welfare.
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