Final answer:
The relationship between the number of people and their income can be directly proportional, inversely proportional, or complex depending on various factors.
Step-by-step explanation:
The relationship between the number of people and their income can be characterized as directly proportional, inversely proportional, or sometimes complex depending on various factors.
In a directly proportional relationship, as the number of people increases, their income also increases at the same rate. For example, if the number of hours worked per week increases, the income will increase proportionally.
In an inversely proportional relationship, as the number of people increases, their income decreases at the same rate. For example, if the number of people sharing a fixed income increases, each person's share of the income decreases.
However, it is important to note that the relationship between the number of people and their income can be complex and depend on various factors such as job market conditions, education level, skills, and other socio-economic factors.