This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Definition & Concepts, Subject name: Social & Preventive Medicine
Which of the following country has maximum life expectancy at bih:- 
Select and explain. 
A. India, B. Japan, C. USA, D. Singapore
B: Japan
Answer: B: Japan 
Explanation: Life expectancy at bih in selected countries 2017 Country Males Females India 67 70 Japan 81 87 USA 76 81 Singapore 81 85 - Hence, among given options, Japan has maximum life expectancy at bih.