Utilitarianism

Utilitarianism is a consequentialist ethical theory that judges the morality of actions by their outcomes. It is one of the most influential theories in modern ethics and a cornerstone of the AQA A-Level Religious Studies Ethics paper. The central idea is deceptively simple: the morally right action is the one that produces the greatest amount of good for the greatest number of people.

Key Definition: Utilitarianism is a teleological (goal-based) ethical theory that determines the rightness or wrongness of an action by the amount of happiness or utility it produces for all those affected.

Jeremy Bentham (1748–1832): Act Utilitarianism

Jeremy Bentham is the founder of classical utilitarianism. Writing during the Enlightenment, Bentham sought to place morality on a rational, scientific footing, free from appeals to religion or tradition. His starting point was a simple observation about human nature.

The Principle of Utility

Bentham argued that nature has placed humanity under the governance of two sovereign masters: pain and pleasure. These alone determine what we ought to do and what we shall do. The principle of utility states that an action is morally right if it tends to produce the greatest happiness for the greatest number of those affected.

Key Definition: The principle of utility (also called the greatest happiness principle) holds that the morally correct action is the one that maximises overall pleasure and minimises overall pain.

Bentham's utilitarianism is quantitative — he believed that pleasures could be measured and compared using a single scale. There is no qualitative difference between types of pleasure; only the amount matters.

The Hedonic Calculus

To make the principle of utility practically applicable, Bentham devised the hedonic calculus, a method for calculating the total pleasure and pain produced by an action. The calculus considers seven factors:

Factor	Meaning
Intensity	How strong is the pleasure or pain?
Duration	How long will it last?
Certainty	How likely is it to occur?
Propinquity (nearness)	How soon will it be experienced?
Fecundity	Will it lead to further pleasures?
Purity	Will it be followed by pain?
Extent	How many people are affected?

By weighing up these factors, Bentham believed that any moral dilemma could, in principle, be resolved through rational calculation. This approach makes his utilitarianism democratic — each person's pleasure counts equally, regardless of social status.

Act Utilitarianism

Bentham's theory is classified as act utilitarianism because each individual action is assessed on its own merits. There are no fixed moral rules — lying, stealing, or even killing could be justified if the hedonic calculus shows that the action produces more pleasure than any available alternative.

Evaluation (AO3):

Strength: Act utilitarianism is flexible and can respond to the specific circumstances of each situation.
Weakness: It is impractical to calculate the consequences of every action before acting. The hedonic calculus requires information about the future that we rarely possess.
Weakness: It can justify actions that most people would consider morally abhorrent (e.g., torturing one person to save five) if the calculation supports it.

John Stuart Mill (1806–1873): Rule Utilitarianism

John Stuart Mill, the godson of Bentham, refined utilitarianism to address some of its perceived weaknesses. Mill agreed with the basic utilitarian framework but introduced several important modifications.

Higher and Lower Pleasures

Mill rejected Bentham's purely quantitative view of pleasure. He argued that pleasures differ not only in amount but also in quality. Some pleasures — intellectual, aesthetic, and moral — are higher pleasures that are inherently more valuable than lower pleasures such as bodily or physical gratification.

Mill famously stated: "It is better to be Socrates dissatisfied than a fool satisfied." The person who has experienced both intellectual and physical pleasures is best qualified to judge, and such a person (the competent judge) will always prefer the higher pleasure.

Key Definition: Higher pleasures are pleasures of the mind (e.g., poetry, philosophy, friendship), which Mill regarded as qualitatively superior to lower pleasures of the body (e.g., eating, drinking).

Rule Utilitarianism

Mill also developed what is now called rule utilitarianism. Rather than assessing each act individually, Mill argued that we should follow general rules that, if universally observed, tend to produce the greatest happiness. Rules such as "do not steal" and "keep your promises" promote social trust and stability, which ultimately maximises utility.

This approach provides greater predictability and protects against the counterintuitive conclusions of act utilitarianism. However, it introduces a tension: what happens when following the rule in a particular case does not maximise utility? Strict rule utilitarianism insists on following the rule; weak rule utilitarianism allows exceptions when the rule clearly fails to maximise happiness in a particular situation.

The Harm Principle

Mill also contributed the harm principle to political philosophy: the only legitimate reason for society to restrict individual liberty is to prevent harm to others. This principle limits the scope of utilitarian calculation — individuals should be free to pursue their own good in their own way, provided they do not harm others.

Feature	Bentham (Act)	Mill (Rule)
Basis	Individual acts	General rules
Pleasure	Quantitative only	Qualitative distinction
Calculation	Hedonic calculus per act	Rules that maximise utility over time
Flexibility	High — no fixed rules	Moderate — rules with possible exceptions

Peter Singer (1946–): Preference Utilitarianism

The Australian philosopher Peter Singer developed preference utilitarianism, which shifts the focus from pleasure and pain to the satisfaction of preferences or interests.

Key Definition: Preference utilitarianism holds that the morally right action is the one that best satisfies the preferences (interests) of all those affected.

Singer argues that the morally right action is the one that furthers the interests of those affected, rather than simply maximising pleasure. This approach respects individual autonomy — different people have different preferences, and it would be paternalistic to impose a single definition of happiness on everyone.

Singer is also famous for extending moral consideration to non-human animals. He argues that any being with interests — particularly the interest in not suffering — deserves equal moral consideration, regardless of species. This principle of equal consideration of interests forms the foundation of his influential work Animal Liberation (1975).

Evaluation (AO3):

Strength: Preference utilitarianism respects individual autonomy and avoids imposing a single vision of the good life.
Weakness: Preferences can be irrational, uninformed, or morally repugnant. Should the preferences of a sadist count equally?
Weakness: It is difficult to compare and aggregate fundamentally different preferences across different people.

Strengths and Weaknesses of Utilitarianism

Strengths

Rational and objective: Utilitarianism provides a clear, secular method for moral decision-making based on outcomes rather than authority or tradition.
Democratic: Every person's happiness counts equally — no one is privileged by birth, status, or religion.
Consequentialist flexibility: It can adapt to changing circumstances and does not rely on rigid, inflexible rules.
Practical: It is used widely in public policy, healthcare rationing (e.g., QALYs), and law.

Weaknesses

Justice problem: Utilitarianism can justify the sacrifice of an innocent minority for the greater good, violating principles of justice and individual rights.
Measurement problem: It is practically impossible to predict all consequences or to measure and compare different people's happiness.
Integrity objection (Bernard Williams, 1973): Utilitarianism demands that agents abandon their own projects and commitments whenever the utilitarian calculus requires it, undermining personal integrity.
Tyranny of the majority: Actions that oppress minorities could be justified if they produce net happiness for the majority.
Swine objection (directed at Bentham): If only quantity of pleasure matters, then a life of simple animal pleasures would be morally equivalent to a life of intellectual achievement.

Application to Ethical Issues

Utilitarianism is frequently applied in AQA exam questions on topics such as euthanasia, business ethics, and sexual ethics. When applying utilitarian reasoning:

Identify all parties affected.
Consider the consequences of the available options.
Determine which option maximises overall happiness (or preference satisfaction).
Consider the relevant version of utilitarianism (act, rule, or preference) and how the answer might differ.

Exam Tip: Always discuss at least two versions of utilitarianism (e.g., Bentham's act and Mill's rule) and show how they might reach different conclusions on the same issue. Use specific terminology — hedonic calculus, higher/lower pleasures, preference satisfaction — to demonstrate your command of the theory. Evaluation must include both strengths and weaknesses, and the best answers will engage with specific scholars such as Williams and Singer.