In terms of dollars, what was the total cost of World War I?

1 Answer
Jul 31, 2018

The total cost of World War I was about $186,333,637,000.

Explanation:

There were about 65,038,810 troops deployed in WWI (Allied Forces and Central Powers combined). This led to a total cost of about $186,333,637,000. (That's A LOT of money!)