Global Research Landscape of Family Therapy – A Bibliometric Analysis (1958 to 2025)

For most of the twentieth century, the prevailing idea in mental health was that a person's struggles belonged to that individual alone. If someone felt anxious, depressed, or disconnected, the focus was entirely on their internal mind, their personal history, and their private thoughts. Family therapy challenged this solitary view. It proposed a different way of seeing distress: as something that happens between people, within the web of relationships that make up a family. Instead of looking for a broken part inside one person, this approach looks at the patterns of communication, the roles people play, and the invisible rules that govern how a family interacts. Over the last sixty years, this perspective has grown from a radical experiment into a major pillar of modern psychology, bridging the gap between psychiatry, social work, and counseling. But as the field has expanded, the sheer volume of research has become difficult to navigate. With thousands of studies published over decades, it is hard to see the big picture: who is leading the conversation, how the ideas have changed, and where the field is actually going.

To map this vast intellectual landscape, a team of researchers conducted a comprehensive analysis of nearly ten thousand documents related to family therapy, spanning from 1958 to 2025. They did not read every single paper in detail; instead, they used a method called bibliometric analysis, which treats the literature itself as a dataset. By using a large, open-access database called Lens.org, they gathered metadata—information about the publications, such as who wrote them, when they were published, what keywords they used, and how often other scholars cited them. This allowed them to trace the growth of the field, identify the most influential voices, and watch how the focus of research shifted over time. The result is a clear, data-driven portrait of a discipline that has matured from a small group of pioneers into a global, multidisciplinary field, while also revealing some surprising gaps in how researchers work together.

The story of family therapy research, according to this analysis, is one of steady, accelerating growth. The field began in the late 1950s with very few publications, but it has grown consistently ever since, with an annual increase of nearly eight percent. The researchers broke this timeline down into distinct eras. The first phase, from the late 1950s through the 1960s, was a time of emergence, where the initial ideas were being tested and the first concepts of family systems were formed. The 1970s and 1980s marked a period of rapid expansion, where the number of published studies surged as the field gained recognition and established its core theories. By the 1990s and 2000s, the growth stabilized, suggesting the field had found its footing. Then, starting around 2010, there was another sharp rise in publications, peaking between 2017 and 2019, before settling at a high but steady level in the 2020s. This pattern shows that the field is not just surviving; it is actively evolving and attracting sustained attention from scholars worldwide.

When the researchers looked at who is doing the writing, they found a field dominated by individual voices rather than large teams. Out of nearly ten thousand authors, more than seven thousand have published only a single paper. This suggests that while the field is inclusive and draws from many different schools of thought, it lacks a strong culture of large-scale collaboration. The analysis also tested a well-known principle in science called Lotka's Law, which predicts how many papers a typical scientist writes. The data showed that while the law holds true for authors who write two or three papers, the field has far fewer "super-prolific" authors than the theory predicts. In other words, the most influential figures in family therapy are not necessarily the ones who publish the most papers, but rather those whose specific ideas have resonated deeply over time.

The names that stand out as the most influential are those who laid the foundational theories. Salvador Minuchin, a pioneer of structural family therapy, appears as the most cited author by a significant margin, with over twelve thousand citations for his work. His influence is so profound that he has more citations than the next several most-cited authors combined. Another key figure, Murray Bowen, published only three papers in the database but still garnered nearly twenty-five hundred citations, demonstrating that a single, powerful theoretical contribution can shape a field for decades. These findings highlight that in family therapy, the depth of an idea often matters more than the volume of output. The research also shows that while the field is global, international collaboration remains surprisingly low, with very few papers written by authors from different countries working together.

Perhaps the most telling part of the study is how the topics of research have changed. In the beginning, the focus was on broad concepts like "family" and "group psychotherapy," often applied to severe mental illnesses like schizophrenia. The early work was about redefining the problem itself, moving away from the idea of a sick individual to a sick system. As the decades passed, the keywords shifted. The research began to focus on specific age groups, particularly adolescents, and specific issues like substance abuse and eating disorders. In recent years, the language of the field has become more precise and evidence-based. Terms like "systematic review," "effectiveness," and "attachment-based" have become common, signaling that the field has moved from asking "Does this work?" to "How exactly does this work, and for whom?" The analysis also notes the emergence of multilingual terms, such as "Terapia Familiar" and Chinese-language keywords, showing that the practice is adapting to different cultural contexts around the world.

Despite the growth and the maturation of the field, the study points to a few areas that need attention. The researchers found that while there is a wealth of theoretical work, there is a need for more large-scale, randomized clinical trials to prove the effectiveness of different approaches. They also noted that the lack of international collaboration limits the field's ability to understand how family therapy works across different cultures. The data suggests that the field is ready for the next step: moving from individual scholarship to global cooperation. By understanding where the field has been, the researchers hope to guide future work toward more collaborative, culturally sensitive, and rigorously tested approaches. The map they have drawn does not just show where family therapy has been; it highlights the paths that are still open for exploration, ensuring that the next generation of research can build on a solid, shared foundation.