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#182 – Bob Fischer on comparing the welfare of humans, chickens, pigs, octopuses, bees, and more

80,000 Hours Podcast

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What is "Welfare Range" in Species Comparison?

The concept of welfare range in species comparison involves evaluating the possibilities of well-being over the course of an organism's lifespan compared to the well-being at a particular moment. It allows for comparisons across species by isolating the momentary well-being and spreading it across the lifespan to compare benefits in terms of life years. The welfare range represents the spectrum of how well things can go for an organism versus how badly things can go, capturing the peak and the valley of well-being.

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