A stranger on a transplant waiting list will die within weeks without a kidney. You are a perfect match. Donating is legal, medically safe with minimal long-term risk to a healthy donor, and would save their life with certainty. They are a parent with young children. The surgery requires two weeks of recovery. You have never met them. There is no social reward — no one who matters to you would ever know.
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Question

A stranger on a transplant waiting list will die within weeks without a kidney. You are a perfect match. Donating is legal, medically safe with minimal long-term risk to a healthy donor, and would save their life with certainty. They are a parent with young children. The surgery requires two weeks of recovery. You have never met them. There is no social reward — no one who matters to you would ever know.

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Accepted Answer

14% chose "Donate — if saving a life costs me this little, I am obligated to do it" and 86% chose "Decline — I have no obligation to donate an organ I need for my own body". Peter Singer's utilitarian logic suggests that if we can prevent serious harm at low cost to ourselves, we are obligated to do it. The kidney dilemma is a physical version of this — donating costs you relatively little and saves a life. Most people recoil from the obligation framing while acknowledging they could not articulate a principled difference between this and donating money to save a life. The refusal reveals a strong moral intuition about bodily autonomy that resists philosophical override.

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