Consequentialism: The Greatest Good for the Greatest Number
Consequentialism judges actions by their outcomes. Produce the most good, minimize harm. It sounds obvious — until the calculations force you to do something that feels clearly wrong.
You are standing at a lever. A runaway trolley is heading toward five people tied to the tracks. You can pull the lever and divert it — but then it will kill one person on the side track. What do you do? Most people pull the lever. And in doing so, they are reasoning as consequentialists.
Consequentialism is the view that the moral worth of an action is determined entirely by its outcomes. The right act is whichever one produces the most good — or the least harm. Associated with Jeremy Bentham and John Stuart Mill, this family of theories goes by many names (utilitarianism being the most famous), but they share a common structure: do the moral math, choose the best result.
How it works in practice
The consequentialist approach is appealingly clear. Faced with a difficult choice, you ask: which option produces the best overall outcome? Count up the benefits and harms to everyone affected — not just yourself — and choose accordingly. Five lives outweigh one. Preventing suffering outweighs respecting a minor rule. The results are what matter.
This framework resonates with most people's instincts in certain situations. When a doctor rations scarce medicine to save the most lives, or when a government implements a policy that benefits millions at a cost to a few, consequentialist reasoning is at work. It is the ethics of emergency rooms and public health.
Where the math breaks down
Consider a different scenario: five patients in a hospital will die without organ transplants. A healthy visitor happens to match all five. A strictly consequentialist doctor could justify harvesting the visitor's organs to save five lives. The math says yes. Almost no one agrees.
This is consequentialism's central tension. It can endorse actions that feel deeply wrong — sacrificing individuals, punishing the innocent, breaking trust — if the aggregate outcome is better. Critics argue that it treats people as instruments rather than as beings with inherent worth. Defenders argue that ignoring outcomes is a form of moral self-indulgence.
The dilemmas that test it
These scenarios push consequentialist reasoning to its limits. Some feel easy. Others reveal where the math starts to conflict with something deeper.
How it relates to the other major theories
Consequentialism is one of three major frameworks in Western moral philosophy. Deontology holds that some actions are wrong regardless of outcomes — pulling the lever might still violate a duty not to actively cause death. Virtue ethics asks not what the outcome is, but what a person of good character would do. All three frameworks illuminate different aspects of difficult choices, and real moral reasoning often draws on all three.
SplitVote presents ethical dilemmas for reflection and discussion. References to philosophical frameworks are for context only — the goal is to help you reflect, not to provide academic instruction. Results represent our community's votes, not scientific conclusions.
Related dilemmas
A runaway trolley is heading toward 5 people. You can pull a lever to divert it — but it will kill 1 person instead.
Vote →You are a doctor. One healthy patient's organs could save the lives of 5 people dying in the next room. No one would ever know.
Vote →A new pandemic: there is only one vaccine dose left in the city. You and an elderly stranger both need it to survive. A doctor hands it to you.
Vote →A new tax would halve the income of the top 1% and double the income of the bottom 20%. The total wealth in society stays the same.
Vote →Every adult receives €1,500/month from the government. Taxes for the top 20% double. Do you support it?
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