Navigating Sibling Rivalry Among Adults: Strategies for Peace and Understanding
Explore effective ways to manage and overcome adult sibling rivalry, understand its roots, and foster healthier family dynamics in today's world.
Managing Conflicts Between Adult Siblings
Sibling rivalry doesn't always fade after childhood; in many cases, it intensifies with age. While often associated with kids, adult sibling conflicts are quite common and can involve disputes, competition, or even estrangement among siblings.
This rivalry includes feelings of jealousy, competition, and conflict, affecting not only biological siblings but also step, adopted, and foster siblings. The impact often extends well into adulthood, influencing family relationships deeply.
If you sense tension because your parents seem to favor another sibling or their family, rest assured that you're not alone. Parental favoritism is surprisingly frequent, leading to rivalry and emotional stress among adult siblings.
This article delves into the causes of sibling rivalry in adulthood and offers practical strategies to ease the emotional burden it can bring.
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Recognizing Adult Sibling Rivalry
Common indicators of sibling rivalry among adults include:
- Feelings of jealousy
- Competitive behavior and boasting
- Seeking parental attention or approval
- Attempting to involve parents in disputes
- Failing to treat siblings as equals
- Viewing siblings as adversaries
- Interfering in siblings' personal lives
- Undermining siblings to feel superior
These behaviors can range from subtle tensions to overt conflicts, potentially fracturing family bonds.
Insights from Research on Sibling Rivalry
Studies highlight the significant role parenting plays in adult sibling rivalry, especially through favoritism. Despite parents' intentions to be impartial, favoritism is prevalent and impactful.
- Favoritism negatively affects mental health by fostering resentment, stress, and strained sibling relations.
- Many parents feel closer to one child; a Cornell University study showed 70% of mothers identified a preferred child, while only 15% of offspring perceived equal treatment.
- The effects of perceived favoritism can persist throughout life, influencing long-term family dynamics.
Summary
Feeling less favored by parents is a common experience among adult children and can contribute to ongoing emotional challenges.
Why Adult Sibling Rivalry Happens
Sibling relationships are shaped by complex factors such as genetics, life experiences, gender, parental bonds, and external influences.
Parental favoritism often lies at the heart of adult sibling conflicts. Perceptions of favoritism may persist even without family-wide acknowledgment.
Factors that naturally influence closeness include:
- Living near parents, facilitating more frequent contact
- Shared personality traits or values enhancing understanding
- Differences in worldview or lifestyle causing distance or resentment
Research indicates parents may feel more ambivalent toward children who are unmarried, less educated, or hold differing values.
While natural, favoritism can be painful as we expect unconditional love from our parents, often idealizing them beyond human flaws.
Building Healthy Family Connections
Strategies to Manage Adult Sibling Conflicts
When parents favor one sibling over others—whether through closer bonds, more praise, or siding in disputes—it can create emotional strain during family gatherings.
Studies link parental favoritism and sibling rivalry to increased anxiety, depression, hostility, and loneliness.
These conflicts affect not just individuals but the entire family system. Here are some ways to reduce tension and manage stress:
Don’t Take It Personally
Recognize that parental closeness to a sibling doesn’t mean less love for you; it often reflects different levels of investment or connection rather than intention to hurt.
If a parent is actively punitive, distancing yourself may be healthier for your well-being.
Seek Support Beyond Family
Build a network of friends and loved ones who offer unconditional acceptance and support, compensating for any familial gaps.
Invest your energy where you feel valued and understood.
Avoid Fueling Rivalry
Refrain from competing or blaming siblings for parental favoritism. Understand their desire for parental approval and focus on your unique relationship with your parents separately.
Accept the Situation
Coming to terms with limited parental support can empower you. Focus on appreciating what you do receive and recognize that family is just one part of your life.
Invest in Your Own Family
If you have your own family or close relationships, nurture those bonds to fulfill emotional needs and create a supportive environment.
Consider Professional Help
If sibling rivalry and parental favoritism cause significant distress, consulting a therapist experienced in family dynamics can provide valuable coping tools.
Additionally, adopting general stress management techniques can improve resilience.
Consult your healthcare provider or a mental health professional if relationship stress becomes overwhelming.
For further reading, explore topics on oldest child syndrome and childhood development.
References
- Whiteman SD, McHale SM, Soli A. Theoretical perspectives on sibling relationships. J Fam Theory Rev. 2011;3(2):124-139.
- Jensen AC, Whiteman SD, Fingerman KL, Birditt KS. "Life still isn’t fair": parental differential treatment of young adult siblings. J Marriage Fam. 2013;75(2):438-452.
- Pillemer K, Suitor JJ, Pardo S, Henderson C. Mothers’ differentiation and depressive symptoms among adult children. J Marriage Fam. 2010;72(2):333-345.
- Con G, Suitor JJ, Rurka M, Gilligan M. Adult children’s perceptions of maternal favoritism during caregiving: comparisons between Turkey and the United States. Res Aging. 2019;41(2):139-163.
- Pillemer K, Munsch CL, Fuller-Rowell T, Riffin C, Suitor JJ. Ambivalence toward adult children: differences between mothers and fathers. J Marriage Fam. 2012;74(5):1101-1113.
- Stocker CM, Gilligan M, Klopack ET, et al. Sibling relationships in older adulthood: Links with loneliness and well-being. J Fam Psychol. 2020;34(2):175-185.

By Elizabeth Scott, PhD
Elizabeth Scott, PhD is a renowned author, educator, and blogger specializing in stress management, positive psychology, and emotional wellness.
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