Wow,
I need to study up on WW1 some more, those numbers are staggering and humbling
Salute
The WWII numbers for mobilization are of course much larger; US losses were more than double for WWII; the scale of that war was much greater; in the battle of Kursk alone (July 1943), six thousand tanks took part, of which more than half were destroyed. The US alone built tens of thousands of planes and tanks, thousands of ships and landing craft, and much of that was scrapped by 1950. Scrapping it all took a lot of time, because of the sheer quantity.
In each of the World Wars, looks like about 1 in 40 US personnel died.