What type of data assists in the study of population demography?

Demographic data is statistical data collected about the characteristics of the population, e.g. age, gender and income for example. It is usually used to research a product or service and how well it is selling, who likes it and/or in what areas it is most popular.

Explanation:

claude wants to buy a car and there are a few factors that will affect the decision he makes in choosing what car he should buy. the first factor that can affect his decision regarding what car to buy can be the social and the cultural influence of the society he is living in. for example, there might be a certain car that might have a better value in the eyes of the society or in other words a better social norm regarding that car.

another factor can be personal habits. claude might need a spacious car because he might have kids or might utilize the back seat for other purposes hence a sports car (2 seated) won’t be appropriate.