Gender and sexuality — sociology of

Intuition Beginner

Most people meet gender before they can speak. A relative asks whether a new baby is a boy or a girl, and from the answer flows a quiet stream of choices — names, clothes, colours, the way adults hold the child, the toys offered, the chores assumed later. None of that waits for the child to have a view about it.

Sociologists call this a social organization, not a personal preference. Gender is the set of meanings, roles, and expectations a society attaches to being male, female, both, or neither. It is distinct from sex, the biological attributes used to classify bodies. The distinction matters because most of what gender does in the world — who earns what, who is expected to raise children, who is heard in a meeting — is built by society, not read straight off biology.

Sexuality is just as social. Whom people desire, how they may show it, and how the law treats their relationships have been organized very differently across history and across cultures. What a society counts as normal, deviant, marriable, or criminal is the product of institutions and norms, not a fixed fact about bodies.

The puzzle this unit solves is the same one as for race 30.09.01: how can something partly made by society hit so hard in pay, safety, health, and freedom? The answer is that gender and sexuality are built into families, schools, workplaces, and law. Built structures shape lives whether or not they are natural.

Visual Beginner

The table fixes the core distinctions the unit develops.

Term	What it points to	One-line contrast
Sex	Biological attributes used to classify bodies (chromosomes, hormones, anatomy)	A classification of bodies, not a destiny
Gender	Social meanings, roles, and identities attached to sex categories	Society-made, not the same as sex
Gender role	Expectations a society attaches to being male, female, both, or neither	Prescriptive, and varies across cultures
Gender identity	A person's own sense of being male, female, both, or neither	Internal; may differ from sex assigned at birth
Sexual orientation	The pattern of attraction a person experiences	About desire; distinct from gender
Sexuality	The broader social organization of desire, relationships, and norms	Includes orientation but is wider

A simple way to hold the contrast: sex is a classification of bodies; gender is what society builds on top of that classification; sexuality is how society organizes desire and relationships. Each is real in its effects, and none is fixed in nature.

Worked example Beginner

The gender wage gap is a concrete place where social organization shows up as a number. Economists compare the median yearly earnings of full-time women and men. In recent United States data the ratio sits near 0.82: for every dollar a man earns, a woman earns about 82 cents, a gap of roughly 18 cents on the dollar.

Work through a simple case. Suppose the median full-time man earns $60,000ayearandthemedianfull-timewomanearns$49,200. Divide the woman's pay by the man's: 49,200 divided by 60,000 equals 0.82. The gap is 1 minus 0.82, or 0.18 — eighteen cents. The same arithmetic works for any two medians.

A common error is to read that eighteen-cent gap as pure discrimination. It is not. Part of the gap comes from occupational segregation — women are concentrated in lower-paid care and service jobs — part from fewer paid hours and career breaks for unpaid care work, and part from direct pay differences within the same job. Studies that hold occupation, experience, and hours roughly constant shrink the gap to about 5 to 8 cents, but they never erase it.

The gap also moves across time and place. The World Economic Forum and the ILO report that women's global labour-force participation is about 47 percent against men's 72 percent, a ratio near 0.65. A few countries now report a full-time wage ratio close to 0.90; others sit below 0.60. These figures are dated snapshots, not timeless facts — but every measured gap is the residue of how a society has organized gender.

Check your understanding Beginner

Formal definition Intermediate+

Sex is a classification of bodies by biological attributes — chromosomes, gonads, hormones, and anatomy. Most societies use a binary sex assignment at birth, but biological variation is continuous: intersex traits appear in roughly 1 to 2 percent of live births, a rate comparable to common traits such as red hair. Sex classification is therefore not a bare description of nature but a decision about how to sort a continuous distribution into named categories.

Gender is the social organization of meanings, roles, identities, and expectations around sex categories. It operates on three levels that should be kept distinct: gender identity (a person's internal sense of being male, female, both, or neither); gender role (the behaviours, tasks, and demeanours a society expects of a given gender); and gender structure (the patterned, institutional distribution of power, resources, and labour between gender categories) ^{[Connell 1987]}. Conflating these three — treating an identity claim as if it were a role prescription, or a structural finding as if it were an identity claim — is a frequent source of muddled argument.

Sexuality is the social organization of desire, relationships, and norms governing intimate life. Sexual orientation is the pattern of attraction a person experiences (toward the same gender, a different gender, more than one gender, or none). A useful convention is to say that orientation names whom one desires, whereas gender identity names who one is; the two axes are independent, and conflating them produces the false implication that one gender identity comes bundled with one orientation.

Patriarchy denotes a social system in which men, as a category, hold disproportionate power across the political, economic, domestic, and symbolic domains, and in which that distribution is reproduced by law, custom, and labour division rather than by individual choice alone ^{[Millett 1970]}. Gender stratification is the layering of unequal resources, prestige, and freedom along gender lines — a specific axis of the stratification analyzed in 30.04.01. Heteronormativity is the assumption, embedded in institutions, that people fall into two complementary genders, hold an identity matching their assigned sex, and desire the other gender; it is treated by queer theory as an organizing principle of social life, not a neutral default ^{[Sedgwick 1990]}.

Intersectionality, introduced by Kimberlé Crenshaw in 1989, is the claim that systems organized around gender, race, class, and sexuality interact to produce positions of advantage and disadvantage that cannot be recovered by examining any single axis alone ^{[Crenshaw 1989]}. It is a claim about interaction, not addition: the position of a Black working-class woman is a distinct structural location, not the sum of "woman" plus "Black" plus "working-class."

A distinction running through the unit is between positive and normative claims. Positive claims describe what is the case — that a wage gap of about eighteen cents exists, that women perform the majority of unpaid care work, that same-sex relationships were criminalized in dozens of countries into the twenty-first century. Normative claims state what ought to be the case — that the gap is unjust, that care work should be shared, that the state should recognize diverse relationships. Sociology's descriptive findings constrain normative positions but do not settle them, and any defensible normative claim must be marked as normative rather than smuggled in as neutral description.

Comparative framework Intermediate+

The sociology of gender is a contested field. Reading the major traditions against one another exposes what each captures and what each leaves out, and shows that several live questions have no settled answer.

de Beauvoir: gender as becoming

Simone de Beauvoir's 1949 line that "one is not born, but rather becomes, a woman" opened the modern analysis ^{[de Beauvoir 1949]}. Her argument distinguishes biological sex from the social process that turns a female body into a woman — a subject positioned as Other relative to the male subject. The contribution is to relocate gender from nature to history: femininity is an acquired situation, sustained by upbringing, law, myth, and labour. de Beauvoir also exposes a standing tension in the tradition — between describing women's situation and prescribing how women should live — and her own normative commitments (drawn from existentialism) should be read as her position, not as the descriptive finding.

Rubin: the sex/gender system

Gayle Rubin's 1975 essay "The Traffic in Women" defined the sex/gender system as the set of arrangements by which a society transforms biological sexuality into products of human activity, and in which the resulting sexual needs and gender roles are satisfied ^{[Rubin 1975]}. Drawing on Lévi-Strauss, Marx, and Engels, Rubin argued that kinship systems organize the exchange of women between men, and that this exchange — not biology alone — produces gender hierarchy. The strength of the framework is that it locates gender in material social arrangements (marriage rules, descent, domestic labour) and so makes it analyzable in the same terms as class. Its limitation, recognized by Rubin in later work, is an asymmetry in the original account that under-theorized lesbian, gay, and trans experience, which later queer theory set out to repair.

Lorber: gender as a social institution

Judith Lorber's Paradoxes of Gender (1994) treats gender not as an attribute of individuals but as an institution, sustained through doing gender — the ongoing, mostly unconscious performance of recognized masculine or feminine conduct in every interaction ^{[Lorber 1994]}. On Lorber's account, gender is a social structure analogous to class or caste: it allocates labour, power, and prestige, and it survives because each generation is trained into its expectations from birth. The framework captures how gender can feel deeply personal and yet be patterned and institutional at scale.

Connell: gender as structure and hegemonic masculinity

Raewyn Connell's structural account names gender a social structure in its own right, organized through gender regimes — the patterned relations of labour, power, cathexis (emotional attachment), and symbolism within any institution ^{[Connell 1987]}. Connell's most influential concept, hegemonic masculinity, names the currently dominant way of being a man that secures men's collective position over women while also ranking men among themselves; it is sustained not by every man enacting it but by most men benefiting from it, and it is always contested by other masculinities — complicit, marginalized, and subordinate ^{[Connell 1995]}. The framework's contribution is to show that gender orders men as well as women, so "gender" is not a synonym for "women," and to give a structural account of how dominance is reproduced without requiring every individual to endorse it.

The feminist waves

The waves framing is a teaching device, not a settled chronology. The first wave (roughly nineteenth century to the early twentieth) pursued formal legal rights, above all suffrage and married women's property. The second wave (1960s to 1980s), associated with de Beauvoir, Millett, and the slogan "the personal is political," moved into family, work, sexuality, and the body. The third wave (1990s onward), shaped by Crenshaw's intersectionality and Butler's performativity, absorbed queer theory and the critique that earlier waves had centered White, middle-class, heterosexual women. A putative fourth wave, organized around digital mobilization and movements such as #MeToo, is named by some scholars and disputed by others. The waves framing is contested precisely because it compresses a continuous Black, working-class, and postcolonial feminist tradition into a periodization defined by White American and European organizing — a critique developed by Collins, bell hooks, and Chandra Mohanty, among others.

A first contested question: is the sex/gender distinction tenable?

The distinction between sex and gender has been the working assumption of most twentieth-century sociology, but it is contested on two sides. Rubin, Lorber, and the liberal-reform tradition treat the distinction as analytically productive: sex names the biological raw material, gender the social organization built on it, and the separation is what makes patriarchal arrangements visible and changeable. Judith Butler's Gender Trouble (1990) argues from the other side that the distinction itself is unstable, because what a society counts as "sex" is already shaped by gendered assumptions, so that sex functions less as a pre-social substrate than as a gendered way of reading bodies ^{[Butler 1990]}. A third position, associated with some gender-critical feminism, holds that sex is real and politically important and that collapsing it into gender erases the material basis of women's oppression. These are not mere terminological preferences; each carries consequences for law, medicine, and policy, and each should be presented as a position rather than as neutral description.

A second contested question: gender identity — innate or socially produced?

The sources of gender identity are disputed. One position, common in parts of cognitive science and in some clinical accounts, treats gender identity as having an innate or early-fixed component, often invoked in arguments for recognizing trans people's identities as stable features of the person rather than choices. A second position, drawn from social constructionism and Butler's performativity, treats gender identity as constituted through repeated social acts and categories, so that the self is produced in and through the available cultural scripts. The dispute is partly empirical (what developmental and neuroscientific evidence supports) and partly normative (what the state, medicine, and law should recognize), and the two layers are frequently run together in public argument. Sociology can describe the evidence and the stakes; it does not, from description alone, settle what policy ought to be, and the normative premises on each side should be marked as such.

Primary research and commentary

As in the study of race 30.09.01, the literature mixes two kinds of work that a careful reader keeps distinct. Primary research — time-use surveys quantifying unpaid care work, audit studies sending matched résumés with male and female names to employers, Blau and Kahn's wage-decomposition studies, demographic data on labour-force participation — generates evidence. Commentary and theory — de Beauvoir, Rubin, Lorber, Connell, Butler, Crenshaw — interpret that evidence and frame what it means. Both are necessary, but they should not be cited interchangeably: a measured wage gap is not the same as an argument about why the gap persists, and a philosophical critique of the sex/gender distinction is not the same as a developmental finding about identity.

Bridge. The frameworks above build toward the structural account of gender stratification opened in the stratification unit 30.04.01, and this is exactly where the institutions unit 30.05.01 takes up the concrete mechanisms — family, education, paid work, and the state — through which gender is organized and contested; the central insight — that gender is a structure produced by recurring practice and enforced by institutions rather than a fixed property of bodies — appears again in the Master-tier analysis of the sex/gender system, performativity, hegemonic masculinity, and intersectionality, where the foundational reason gender hierarchy survives legal reform is made precise.

Exercises Intermediate+

Advanced analysis Master

The sex/gender system as political economy

Rubin's 1975 essay locates the production of gender in the political economy of kinship ^{[Rubin 1975]}. Drawing on Lévi-Strauss's claim that kinship rests on the exchange of women between men, Rubin argues that the "traffic in women" — marriage rules, dowry and brideprice, descent rules that fix legitimate reproduction — is the mechanism through which a society converts biological sexuality into a system of gendered obligations. Gender hierarchy, on this account, is not a reflex of biology but a product of the arrangements that allocate reproductive labour and sexual access; it is therefore susceptible to the same kind of material analysis classically reserved for class. The argument's reach is considerable: it makes gender a system of production and distribution, not merely of meaning. Its acknowledged asymmetry — the original essay organized its account around women's position and under-developed the situation of men, lesbians, gay men, and gender-nonconforming people — is what Rubin's later work and queer theory set out to repair, and the repair is part of the field's internal record rather than an external correction.

Performativity and the critique of substance

Butler's Gender Trouble (1990) advances two linked claims ^{[Butler 1990]}. The first is that gender is performative: it is not the expression of a pre-existing gendered essence but the result of repeated, stylized acts that, by their consistency, produce the illusion of an underlying substance. The second is that the sex/gender distinction is unstable, because the category "sex" is produced by the same gendered discourse that "gender" is supposed to organize, so that treating sex as a pre-social substrate conceals its construction. The political upshot, on Butler's reading, is that what presents itself as natural necessity is in fact the sediment of repeatable practice, and is therefore open to subversion through parody and resignification — drag is offered not as a metaphor for gender but as a demonstration that gender's claim to ground itself in nature is contestable. The argument has been criticized on several grounds: that it under-states the material constraints on performance, that it is better suited to symbolic than to structural analysis, and that its account of the body trades one abstraction for another. These are internal disputes within the constructivist tradition, and they turn on how much weight the category of material constraint is allowed to bear.

Hegemonic masculinity and gender regimes

Connell's framework treats gender as a structure operating through gender regimes — the patterned relations of labour, power, cathexis, and symbolism within any institution, from a school to a state ^{[Connell 1987]}. Within that structure, hegemonic masculinity names the pattern that secures the dominant position of men over women and that hierarchizes men among themselves; it is sustained by the patriarchal dividend accruing to men collectively, not by universal personal enactment, and it is always contested by complicit, marginalized, and subordinate masculinities ^{[Connell 1995]}. Two consequences follow. First, "gender" orders men as well as women, so a sociology that studies only women studies only half the structure. Second, dominance is reproduced structurally: because most men benefit from the hierarchy without having to enforce it, the hierarchy is maintained even as individual men disavow it. Connell's later revisions acknowledge that "hegemonic masculinity" can be read as a single global type and have recommended treating it as a local, historically variable pattern; the correction is methodological and does not displace the structural claim.

Intersectionality as structural analysis

Crenshaw's 1989 legal critique generalizes into a structural claim about how systems of subordination co-produce social positions ^{[Crenshaw 1989]}. Patricia Hill Collins's matrix of domination extends it: gender, race, class, sexuality, and nation are not separate systems that happen to overlap but interconnected structures that constitute one another, operating at the levels of personal biography, community, and institution simultaneously ^{[Collins 1990]}. The methodological point is that an analysis holding all axes but one constant — "controlling for class," "controlling for race" — can misstate the phenomenon, because the position of interest is produced by the joint operation of the axes. Intersectionality therefore generalizes the structural turn from a single axis to the field of axes together; it also carries an internal critique of the earlier feminist tradition for treating "woman" as a unitary category defined by the experience of White, middle-class, heterosexual subjects, a critique that the waves framing compresses and that intersectional analysis brings back into view.

Queer theory and the organization of the closet

Queer theory, in Sedgwick's formulation, takes the homo/heterosexual definition as a constitutive axis of modern Western social organization — an "epistemology of the closet" structuring knowledge, secrecy, and identity well beyond the domain of sex itself ^{[Sedgwick 1990]}. Its analytical move is to treat heteronormativity as an active organizing principle rather than a backdrop, and to ask how the binary of normal/deviant distributes recognition, risk, and violence across the whole population, not only across those it marks as deviant. Queer theory is continuous with the constructivist line from Rubin and Butler but shifts the emphasis from the production of women to the production of sexual categories and the costs of fitting or failing to fit them; its relation to the sex/gender distinction is contested internally, with some strands treating sexuality and gender as analytically distinct axes and others arguing that the two are co-constitutive.

Measuring gender inequality

The empirical study of gender inequality relies on several distinct instruments, each capturing a different dimension. Wage decompositions, in the tradition of Blau and Kahn, split the raw wage ratio into a portion explained by occupation, experience, hours, and human capital and an unexplained residual that is consistent with — though not by itself proof of — within-job discrimination. Time-use surveys quantify unpaid care and domestic labour, repeatedly finding that women globally perform the majority of it, with gaps in daily minutes that vary but rarely reverse. The UN Gender Inequality Index combines maternal mortality, adolescent birth rate, parliamentary representation, and secondary enrolment into a single measure that permits cross-national comparison. None of these instruments is ideology-free — each involves contestable choices about what to count — but each generates dated, falsifiable evidence that constrains interpretive claims. The standing obligation is to present the numbers as snapshots of a particular year and method rather than as timeless facts, and to distinguish the measured gap from the theoretical accounts offered to explain it.

Contested periodization and contested scope

Two questions remain live in the contemporary literature. The first is whether the "waves" framing is more distorting than illuminating, given that Black, working-class, postcolonial, and lesbian feminism ran continuously through the periods the wave model assigns to its second and third installments; the framing is a teaching convenience, and scholars such as Collins, hooks, and Mohanty have argued that it credits White organizing with defining the field's history. The second is the scope of the category "gender" itself — whether it should be analyzed as a structure analytically separable from sex, or whether the sex/gender distinction should be rethought along Butlerian lines, or whether sex should be retained as a politically necessary category along gender-critical lines. These disputes are not resolvable by appeal to the descriptive evidence alone, because each position embeds a normative commitment about what the law, medicine, and the academy should recognize; presenting them as positions, and marking the normative premise in each, is the discipline's standing obligation on these questions.

Synthesis. Putting these together — the sex/gender system, performativity, hegemonic masculinity, intersectionality, the matrix of domination, and the empirical measurement of inequality — the central insight is that gender and sexuality are structures produced by repeated practice and reproduced by institutions, and this is exactly why they are durable without being natural: the foundational reason gender inequality persists across legal reform is that its mechanisms are relational and institutional rather than personal, so the hierarchy is maintained even as individual attitudes shift. The structural turn generalises from a single axis to the matrix of gender, race, class, and sexuality, is dual to the symbolic account in that meanings and material allocations are produced together through gendered practice, and the bridge is the recognition that an identity can be socially constructed and still be the most consequential fact about a life — an insight that appears again in every downstream analysis of the family 30.05.02 pending, deviance and social control 30.06.01, and stratification 30.04.01, and builds toward a unified theory of how constructed categories organize material life.

Connections across the curriculum Master

This unit deepens the gender axis introduced in the stratification overview and feeds several later units.

The prerequisite 30.04.01 established gender as one of five axes of stratification alongside class, race, caste, and global position, and named intersectionality in passing; the present unit supplies the theoretical traditions — de Beauvoir, Rubin, Lorber, Connell, Butler, Crenshaw — that the stratification unit could only list, and makes precise why gender is a structure rather than a personal attribute.

The race and ethnicity unit 30.09.01 develops intersectionality's other constitutive axis; read together, the two units show why Crenshaw's analysis cannot be confined to either, since the DeGraffenreid structure turns on the joint operation of race and gender, and the matrix of domination ^{[Collins 1990]} treats the axes as co-constitutive rather than additive.

The family and household unit 30.05.02 pending carries the institutional mechanisms — marriage, the division of paid and unpaid labour, child-rearing, intergenerational transmission of gender expectations — through which the sex/gender system analyzed here is reproduced in daily life; the wage gap and the unpaid care burden traced in this unit are the economic residue of those family arrangements.

The socialization unit 30.03.01 explains how gendered subjects are made — how infants classified at birth become boys and girls through play, language, and the policing of behaviour — which is the micro-level process through which the gender structure analyzed here is internalized and carried forward, complementing Lorber's "doing gender" at the interactional level.

The deviance and social control unit 30.06.01 takes up the criminalization of sexuality — the history of sodomy laws, the policing of gender nonconformity, the regulation of sex work — which is the paradigmatic case of a gendered and sexualized institution distributing penalties along an axis that heteronormativity marks as normal or deviant.

Historical and philosophical context Master

Simone de Beauvoir's The Second Sex (1949) opened the modern analysis by arguing that femininity is a situation produced by upbringing, law, and myth rather than a destiny written in biology ^{[de Beauvoir 1949]}. The line "one is not born, but rather becomes, a woman" relocated gender from nature to history and supplied the premise on which later constructionist work would build; de Beauvoir's existentialist commitments shaped her normative conclusions and should be read as her position rather than as a neutral finding.

Kate Millett's Sexual Politics (1970) named patriarchy as a domain of analysis coextensive with class and race, arguing that the subordination of women in literature, law, and the family constituted a political system rather than a private arrangement ^{[Millett 1970]}. Millett's intervention, alongside the second-wave women's movement, shifted the discipline toward treating the domestic and the sexual as proper objects of structural analysis under the slogan "the personal is political."

Gayle Rubin's 1975 essay "The Traffic in Women" defined the sex/gender system and located the production of gender in kinship and the exchange of women, supplying the framework that made gender analyzable in the same material terms as class ^{[Rubin 1975]}. Kimberlé Crenshaw's 1989 article "Demarginalizing the Intersection of Race and Sex" introduced intersectionality as a critique of single-axis anti-discrimination doctrine and became one of the most cited ideas in the social sciences ^{[Crenshaw 1989]}.

Raewyn Connell's Gender and Power (1987) and Masculinities (1995) recast gender as social structure and introduced hegemonic masculinity, correcting the field's tendency to study women while leaving the ordering of men untheorized ^{[Connell 1995]}. Judith Butler's Gender Trouble (1990) argued that gender is performative and that the sex/gender distinction is itself unstable, opening the queer-theoretical line developed by Eve Sedgwick's Epistemology of the Closet (1990) ^{[Butler 1990] [Sedgwick 1990]}.

The standing philosophical questions are whether the sex/gender distinction should be retained, refined, or dissolved; whether gender identity should be analyzed as innate, socially produced, or both; and whether the waves framing captures or distorts the tradition. Each carries normative consequences for law and medicine, and each should be presented as a position the literature continues to dispute rather than as a settled result.

Bibliography Master

1. Beauvoir, S. de. (1949). Le Deuxième Sexe [The Second Sex]. Paris: Gallimard. (English translation: H. M. Parshley, New York: Knopf, 1953.)

2. Blau, F. D., & Kahn, L. M. (2017). "The Gender Wage Gap: Extent, Trends, and Explanations." Journal of Economic Literature, 55(3), 789–865.

3. Butler, J. (1990). Gender Trouble: Feminism and the Subversion of Identity. New York: Routledge.

4. Collins, P. H. (1990). Black Feminist Thought: Knowledge, Consciousness, and the Politics of Empowerment. Boston: Unwin Hyman.

5. Connell, R. W. (1987). Gender and Power: Society, the Person and Sexual Politics. Stanford, CA: Stanford University Press.

6. Connell, R. W. (1995). Masculinities. Berkeley: University of California Press.

7. Crenshaw, K. (1989). "Demarginalizing the Intersection of Race and Sex: A Black Feminist Critique of Antidiscrimination Doctrine, Feminist Theory and Antiracist Politics." University of Chicago Legal Forum, 1989(1), 139–167.

8. hooks, b. (1981). Ain't I a Woman: Black Women and Feminism. Boston: South End Press.

9. Lorber, J. (1994). Paradoxes of Gender. New Haven, CT: Yale University Press.

10. Millett, K. (1970). Sexual Politics. Garden City, NY: Doubleday.

11. Mohanty, C. T. (1988). "Under Western Eyes: Feminist Scholarship and Colonial Discourses." Feminist Review, 30, 61–88.

12. Rubin, G. (1975). "The Traffic in Women: Notes on the 'Political Economy' of Sex." In R. R. Reiter (Ed.), Toward an Anthropology of Women (pp. 157–210). New York: Monthly Review Press.

13. Sedgwick, E. K. (1990). Epistemology of the Closet. Berkeley: University of California Press.

14. United Nations Development Programme. (2023). Human Development Report 2023/2024 — Gender Inequality Index. New York: UNDP.

15. hooks, b. (2000). Feminist Theory: From Margin to Center (2nd ed.). Cambridge, MA: South End Press.