Final answer:
The number of 25- to 29-year-old women living in Niger in 2014 cannot be determined from the graph.
Step-by-step explanation:
According to the information provided, we are not able to determine the exact number of 25- to 29-year-old women living in Niger in 2014. The given data only includes the birth rate and death rate, which does not provide enough information to calculate the specific population of a certain age group. Therefore, the correct answer is option 4) cannot be determined from the graph.