The Benefits of a Close Sibling Relationship
By Beth Thomas, MSW, LSW – September 16, 2026 –
Close sibling relationships can have a lifelong impact. They are an important part of our development and can provide valuable knowledge, guidance and support throughout different stages of life.
Of course, no sibling relationship is perfect. Conflict and disagreements are natural, but even these imperfections can shape the closeness that develops over time. A strong relationship with a sibling provides an additional source of emotional support while strengthening the bond between them.
Research has shown that people who have positive and supportive relationships with their siblings often experience a greater sense of well-being, lower levels of depression and sadness, higher life satisfaction, and more positive relationships with others. In contrast, high-conflict sibling relationships have been associated with greater risks of depression and anxiety, as well as more negative interactions with other people, including aggression and hostility.
Sibling relationships also provide important opportunities to learn and develop lifelong skills. From an early age, siblings learn how to communicate with one another, express their thoughts and feelings, and understand different perspectives. As they grow, they learn to negotiate, compromise, and work through disagreements. Although children may not always want to compromise with their siblings, these experiences help them develop skills that remain valuable throughout adulthood.
Siblings also learn how to manage conflict and overcome challenges together. Disagreements and difficult situations can teach them how to resolve problems and find solutions. At the same time, being close to a sibling does not mean that both people are the same. Each sibling develops their own personality, interests, and identity. These relationships can help individuals recognize and appreciate differences, both within their families and in their relationships with others.
Sibling relationships are often among the longest-lasting relationships in a person’s life. However, life can create barriers that affect these connections. Distance, for example, can reduce the physical closeness siblings once shared when one moves away from home. Fortunately, modern technology makes it easier to maintain these relationships. Phone calls, text messages, and video chats such as FaceTime allow siblings to stay connected even when they live far apart.
Sharing childhood experiences, overcoming challenges and growing together can create a lasting bond. Parents can also encourage positive sibling relationships from an early age by helping children communicate, cooperate, and support one another. Even during childhood, sibling relationships begin to shape who we become and can continue to influence our lives for years to come. However, it is never too late to build or strengthen a relationship with a sibling.
Beth Thomas, MSW, LSW, is a Youth First Mental Health Professional at Hebron Elementary School in Vanderburgh County. Youth First, Inc., is a nonprofit dedicated to strengthening youth and families. Youth First provides over 100 highly trained mental health professionals (primarily master’s level social workers), prevention programs, parent engagement coordinators, and bilingual support personnel to 138 schools across 15 Indiana counties. Over 56,000 youth and families each year are served by Youth First’s school-based social work and community programs that promote mental health, prevent substance misuse, and maximize student success. To learn more about Youth First, visit youthfirstinc.org or call 812-421-8336.
Photo credit: Ian Taylor – https://www.iantaylor.ca/kids
