An increase in the number of buyers for a product or service will increase demand. For example, baby diapers and retirement villages are two products designed for different population groups.

which outlines population projections by age and answer the corresponding questions.

• Which age group is growing fastest?
• Which age group is growing slowest?
• Did anything surprise ?
• What products might see an increase in demand because of these population changes?
• What products might see a decrease in demand because of these population changes?