Answer: Africa
Explanation:
The africa is one of the continent that basically contain the people with the lowest life expectancies across the world based on the demo-graphical data.
The main African country is Sierra Leone that has the low life expectancy as the main cause is that respiratory infections, HIV/AIDS, malaria and the diarrhea between the age 5 to 60.
Due the the various types of medical condition the life expectancies of the africa become so low as compared to the others.
Therefore, Africa is the correct answer.
