This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
Vital statistics in a population include 
Select and explain. 
A. Sex ratio, B. Age composition, C. Bih rate, D. Dependency rate
C: Bih rate
Answer: C: Bih rate 
Explanation: Population Statistics Vital Statistics Population size Bih rate, Death rate Sex ratio Natural growth rate Density of population Life expectancy at bih Depedency ratio Moality rates Feility rates Ref: Park 25th edition Pgno: 532