Which of the following ages is not considered in the population age structure?a.reproductive ageb.postreproductive agec.productive aged.prereproductive age

To determine which age category is not part of the population age structure, let's analyze the options provided:

1. Reproductive Age: This age category typically includes individuals who are capable of reproduction, usually defined as ages 15 to 49 (or similar ranges depending on specific studies).

2. Postreproductive Age: This group includes individuals who are past their reproductive years, often considered to be those aged 50 and above.

3. Productive Age: While this term can be somewhat ambiguous, it often refers to the age group that is actively contributing to the economy, typically overlapping with both reproductive and working age (often ages 15 to 64).

4. Prereproductive Age: This age category includes young individuals who are not yet in their reproductive years, usually defined as ages 0 to 14.

Conclusion:

In demographic studies, all the first three categories (reproductive, postreproductive, and productive) are typically included in discussions about population age structure, as they provide insight into growth and reproductive potential. However, "productive age" is sometimes considered more synonymous with employment status rather than strictly an age category, which can lead to some confusion.

Therefore, the answer to the question is c. productive age. This age category is not always explicitly defined as part of the traditional age structure classifications.