millidecimation (noun)
the act or practice of killing one-tenthousandth of a population, as a punishment, to cull wild animals, or for other purposes; US population 2020:
approximately 330 million; US gun deaths 2021 (1/1 - 12/1):
41,281; This year we experienced a 1.25 millidecimation of the US population by gun violence.
