Humanism
We Are Better Than We Have Been Told
16 April 2026
Children and happiness: what the data suggests
Psychology has long shown that parenthood can affect mental well-being in both positive and negative ways. The reasons differ from person to person, and personal preferences play a crucial role.
Not the number, but the fit
No research shows that any specific number of children guarantees happiness, better well-being, stronger family bonds, or a sense of fulfilment. Much depends on who we are—on our expectations, our values, and the way we experience close relationships.
An international team of researchers decided to explore precisely this question. They examined the connection between happiness and family life by surveying more than 23000 participants. Each respondent answered two simple questions: how many children they had, and how many they would ideally like to have.
23000 people, one clear pattern
The data revealed five distinct groups:
- parents with exactly the number of children they wanted
- couples with more children than planned
- parents with fewer children than they desired
- individuals without children by choice
- individuals without children not by choice
The results, published in the Journal of Personality, offered a fresh perspective on the relationship between family life and psychological well-being.
Four of the five groups reported a similar level of life satisfaction. Only one stood apart.
The least satisfied parents?
Parents who had more children than they originally planned showed lower levels of life satisfaction than the others. This group clearly differed from the rest.
Interestingly, among childless individuals, age played an important role. Older adults without children reported lower levels of satisfaction than others. On average, respondents had about 1.5 children per couple, while they described their ideal family size as around 2 children. Across the study as a whole, the average came to approximately 2.3 children per couple.
How many children bring happiness?
The findings confirm something many parents already know from experience. Children shape not only our daily lives but also the way we evaluate them. Researchers do not point to a single cause, but they do emphasise the pressures of ordinary life: less time for oneself, more responsibilities, and higher expenses.
At the same time, parenthood often brings a sense of meaning, closeness, and fulfilment that is difficult to find elsewhere. That tension explains why life with children can feel both more demanding and more meaningful at once.
Not numbers, but choice
Although the study rests on statistics, it ultimately reminds us of something deeper. Human flourishing begins in freedom.
Seen through a philosophical lens, this recalls Aristotle’s idea of a fulfilled life. True satisfaction does not come from obeying social expectations, but from living in a way that remains faithful to one’s values.
We live in a world that often treats family as a project to be managed rather than as a unique and intimate dimension of human life. Yet what matters most is something else entirely: the ability to look back on our decisions without regret.
No matter how many children we have.
Because in the end, children and happiness are shaped not by numbers, but by authenticity—the quiet certainty that our choices were truly our own.
Read this article in Polish: Liczba dzieci nie decyduje o szczęściu. Klucz jest gdzie indziej
