✅ Strengths
It is small and easy to organise. Family members can move house for a job without upsetting a large group. Parents can give their children a lot of attention and make their own decisions.
Types of Family » Family Structures
What you'll learn this session
Study time: 30 minutes
Cambridge spec: 4.1.1
- What a family is and why sociologists talk about family structures
- Nuclear, extended, reconstituted, lone-parent, empty nest and childless families
- Three kinds of extended family: modified, horizontal and vertical (beanpole)
- The strengths and limitations of different family structures
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Unlock This CourseWhat is a family structure?
Most people grow up in some kind of family, but families do not all look the same. A family structure is the way a family is made up: who belongs to it, how they are related and whether they live together.
Sociologists do not say that one structure is "normal" and the rest are "wrong". They describe the different structures and ask what each one offers its members and what problems it can bring.
Key terms:
- Family: a group of people linked by blood, marriage or adoption, or by living together as a household and caring for each other.
- Family structure: the way a family is made up, meaning who is in it and how they are related.
- Nuclear family: two parents and their children living together in one household.
- Extended family: a family that includes other relatives beyond the parents and children, such as grandparents, aunts, uncles and cousins.
- Reconstituted family: a family in which one or both adults have children from an earlier relationship, also called a step-family.
- Lone-parent family: one parent living with their child or children.
- Empty nest family: a couple whose children have grown up and left home.
- Childless family: a couple who do not have children, by choice or because they cannot.
The nuclear family
Two parents and their children under one roof: the classic nuclear family structure
The nuclear family is often the picture people have in mind when they think of "a family". It has two parents and their children in one home. The parents can be married or not.
❌ Limitations
There are only two adults to share the work, the money and the childcare. If one parent is ill or loses a job, the whole household feels it. It can also feel isolated if relatives live far away.
Extended families
Three generations together: grandparents, parents and children make this a vertical extended family
An extended family adds other relatives to the nuclear family. It comes in three main types.
📞 Modified extended
Relatives live in separate homes, often some distance apart, but keep in regular contact. They visit, phone, message and help each other with childcare, money or advice.
👫 Horizontal extended
The nuclear family is extended sideways, to people of the same generation. A married couple might share a home with a brother, a sister or a cousin.
🌱 Vertical (beanpole)
Several generations are linked, for example child, parent, grandparent and great-grandparent. There are few people in each generation, so the shape is long and thin like a beanpole.
Beanpole families have become more common in some societies because people are living longer and having fewer children.
✅ Strengths
There are more adults to share childcare, housework and money. Grandparents can pass on traditions and skills. Older people are less likely to be lonely, and there is help in a crisis.
❌ Limitations
There can be less privacy and more arguments between generations. Space and money may be stretched. Members may feel pressure to follow family expectations, and it can be hard to move away for work.
Reconstituted, lone-parent, empty nest and childless families
Four more structures are on the syllabus.
Reconstituted families form when adults with children from earlier relationships live together. Children may have step-parents and step-brothers or sisters. A strength is that there may be more adults to give support and care. A limitation is that it can take time for everyone to get used to new relationships, and children may feel divided between households.
Lone-parent families have one parent who raises the children. This might follow a separation, a death or a choice to raise a child alone. A strength is that children can have a close bond with the parent, and there may be less conflict at home. A limitation is that one adult has to manage work, money and childcare, which can be tiring and expensive.
Empty nest families are couples whose children have left home. A strength is that the couple have more time, freedom and money for themselves. A limitation is that they may feel lonely or lost without the daily role of looking after children.
Childless families are couples without children. A strength is that they can put more time and money into work, travel and each other. A limitation is that they may lack the support children can give in old age, and some feel pressure from relatives or society to have children.
Other family types
In some societies, where the law allows it, there are also polygamous families (a person with more than one husband or wife) and same-sex families (two parents of the same sex). They are not assessed on your exam, so you only need to know that they exist.
Comparing structures
No structure is best for everyone. A structure may suit one family at one time and not another. A family can also change structure over time. A nuclear family may become lone-parent after a separation, then reconstituted when a parent finds a new partner, and finally empty nest once the children have left home.
Whether a structure works well also depends on money, health, housing and how well family members get on, not only on how many people are in it.
Common mistakes
Writing that "the nuclear family is the normal family" or that a lone-parent family is "worse". Mixing up horizontal (same generation, sideways) and vertical (different generations, up and down). Describing a family as extended when relatives only meet at celebrations. Giving strengths and limitations as simple lists without saying why.
Exam-style question
(a) Define the term nuclear family. [2 marks]
(b) Give two examples of family structures other than the nuclear family. [2 marks]
(c) Explain three limitations of the nuclear family. [6 marks]
Model answer
(a) A family made up of two parents (1) and their children living together in one household (1).
(b) Any two of: extended family, reconstituted family, lone-parent family, empty nest family, childless family (1 each).
(c) First, only two adults share the money, housework and childcare, so the family can struggle if one parent is ill or loses their job (2). Second, a nuclear family may be isolated from relatives who live far away, so it has fewer people to help in a crisis (2). Third, the family can feel cut off from the help that grandparents, aunts and uncles could give with childcare, so parents have to cope alone when they are busy or stressed (2).
Exam tip
For "explain three limitations", write three separate points and add a reason to each one, as above. The words "so" and "because" help turn a point into a developed explanation.