Here's the data: https://en.wikipedia.org/wiki/List_of_wars_by_death_toll https://en.wikipedia.org/wiki/List_of_wars_by_death_toll Maybe 1B total over all of

Here's the data: https://en.wikipedia.org/wiki/List_of_wars_by_death_toll https://en.wikipedia.org/wiki/List_of_wars_by_death_toll Maybe 1B total over all of history. The number of humans who have ever lived is estimated at 100B. So, what, 1% have died in war? Back of the envelope.