This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
In crude death rate, the population is taken as on 
Select and explain. 
A. 1st March, B. 1st April, C. 15th August, D. 1st July
D: 1st July
Answer: D: 1st July 
Explanation: The mid-year population is considered.
Hence July 1st is taken.