I got a question for you: The total number of military and civilian casualties in World War I was more than 41 million: there were over 18 million deaths and 23 million wounded, ranking it among the deadliest conflicts in human history.

Answer this question: what was the total number of deaths in ww1?
Let's think first:
The relevant information is: The total number of military and civilian casualties in World War I was more than 41 million: there were over 18 million deaths and 23 million wounded, ranking it among the deadliest conflicts in human history.
Therefore, the answer is over 18 million.