The present population of the world is about

Options

A. 15 billion
B. 6 billion
C. 500 million
D. 100 million

Answer

To answer the question regarding the present population of the world, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Population**: The term "population" refers to the total number of individuals of a particular species, in this case, humans, living in a specific area or globally.

2. **Current Population Estimate**: As of the latest estimates, the global human population is approximately 7.9 billion. This figure is crucial for answering the question.

3. **Evaluating Options**: The options provided in the question are:
- 15 billion
- 6 billion
- 500 million
- 100 million

4. **Analyzing the Options**:
- 15 billion is significantly higher than the current estimate of 7.9 billion.
- 6 billion is lower than the current estimate but was a past population figure.
- 500 million and 100 million are both far too low compared to the current population.

5. **Selecting the Closest Option**: Given the current population is around 7.9 billion, the closest option among the provided choices is 6 billion, even though it is not accurate.

6. **Conclusion**: Therefore, the best answer from the options given is 6 billion, recognizing that the actual population is higher.