Answer:
Afghanistan
Step-by-step explanation:
Life expectancy is the mathematical measure which represents the number of years a group of people can live for which indirectly shows the quality of life in any country.
The life expectancy is influenced by many factors which could be social, gender-based or health-related.
In Central Asia, the country with the lowest life expectancy rate is Afghanistan with only 62.7 years of life expectancy is observed. The life expectancy of Afghanistan is the lowest life expectancy in the world.
Thus, Afghanistan is the correct answer.