Among the options provided, a low birth rate would most likely indicate that:
- There is a strong health-care system in place.
This is because societies with strong health-care systems often have better access to family planning and reproductive health services, which can lead to lower birth rates. However, it is important to note that other factors, such as economic stability, education, and cultural norms, also play significant roles in influencing birth rates. The other options do not accurately imply a direct relationship with low birth rates.