4.2.2 - The Life Course and Diversity of Household Structures

The life course approach

Sociologists use the life course approach because a snapshot of one household tells us very little about the whole pattern of someone's family life. A person may spend childhood living with parents, move into shared housing, cohabit, marry, separate, live alone, repartner, or return to the parental home. The key point is that family experience is dynamic, and those transitions help shape identity because they change expectations about adulthood, dependence, care, and belonging.

The older idea of the family life cycle assumed a much more standard route through life. It fitted a model in which people married, had children, watched those children leave home, and then retired together. Contemporary sociology prefers the idea of the life course because it recognises that transitions can happen at different ages, in different orders, or not at all. The family life cycle also follows change through time; the difference is its assumption of a standard sequence, rather than an absence of change.

Green (2015) — Argues that the life course has become de-standardised, meaning the timing and order of family transitions are less uniform than in the past. This matters because age, gender, class, and ethnicity shape when people leave home, become parents, or form stable households.

Childbearing and transitions

One of the clearest signs of a changing life course is the changing pattern of childbearing. In the UK, birth rates have fallen, average family size is smaller, and women are more likely to have children later than earlier generations. Childbearing has also become less tightly tied to marriage, with more births occurring outside marriage and a greater share of adults remaining childless, either by choice or because of infertility.

These changes are sociologically important because they connect family life to gender roles, paid work, and identity. Women's increased participation in higher education and employment, improved contraception, and the rising cost of raising children have weakened the idea that adulthood must follow one timetable. A later first birth may reflect career planning, housing pressures, or a desire for emotional readiness rather than simple rejection of family life.

Changing childbearing patterns also show how choice and structure interact. Some women gain more control over the timing of motherhood, which feminists would see as a gain in autonomy. Yet class still matters: secure professional careers can make delayed parenthood easier to manage, while economic insecurity can make both early and delayed childbearing more risky.

Diverse households in practice

Across the post-war period, married-couple households with dependent children have become a smaller share of all households, while one-person, cohabiting, and lone-parent households have become more visible. Single-person households have grown because people marry later, relationships break down, and people live longer. Older widowed women are especially likely to live alone, while some younger adults live alone for a period before partnership or after separation. Sociologically, living alone should not be confused with social isolation: someone can occupy a one-person household and still be part of dense friendship, kin, and intimate networks.

Jamieson, Wasoff and Simpson (2009) — Show that solo living is not a single lifestyle. For some people it is experienced as independence; for others it follows the end of a relationship and is less freely chosen.