The Best How Many Cows Does Someone Eat In A Lifetime References. But now suppose we add up all the animals eaten over an average american lifetime of 78.5 years: The exact amount of food an individual person eats in a lifetime varies based on the person’s gender, size, diet and lifespan.
Assuming people (as opposed to dogs, cats, garbage cans etc.) ate all these chickens, this works out to: At this rate, the human race would be extinct within 100 years. A billion and a half.
