Co-Dependents Anonymous
A Twelve-Step fellowship for people seeking healthier and more functional relationships.
Last updated August 24, 2026
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Overview
Co-Dependents Anonymous, commonly abbreviated as CoDA, is a peer-support fellowship organized around the Twelve-Step model. It serves people who share a desire to develop healthier, more functional relationships and to examine recurring patterns that may interfere with autonomy, communication, emotional awareness, boundaries, and self-esteem. Unlike a commercial service provider, CoDA is a member-supported recovery fellowship whose principal offering is participation in meetings, shared literature, service structures, and a program of personal reflection and mutual support. The first CoDA meeting took place in Phoenix, Arizona, on October 22, 1986, with 30 participants. Interest expanded rapidly: within four weeks, attendance had reached approximately 100 people, and by the end of that year there were about 120 CoDA groups. In 1987, the fellowship held its first National Service Conference, bringing together 29 representatives from seven states. These early conferences helped establish a service structure through which groups and representatives could coordinate literature, meeting information, communications, and other collective activities. CoDA deliberately avoids imposing a single rigid clinical definition of codependence. Its approach is instead based on members identifying patterns in their relationships and behavior and working through them with Twelve-Step principles, meetings, sponsorship or other peer support, written materials, and personal inventories. The fellowship's language has developed over time. A 1989 CoDA pamphlet titled "What is Co-Dependency?" later informed a 38-item checklist published by Charles Whitfield in 1991. That checklist became associated with broader discussions of codependent behavior, although CoDA's own program is not presented as a diagnostic system. CoDA's framework was subsequently expressed through "The Patterns and Characteristics of Codependence." At the 2010 CoDA Service Conference, the framework was expanded from 22 items grouped into four categories—Denial, Low Self-Esteem, Compliance, and Control—to 55 items, with Avoidance added as a fifth pattern group. Examples concern difficulty identifying feelings, harsh self-judgment, subordinating one's interests to others, giving unsolicited direction, and using indirect communication to avoid conflict. The fellowship's operating model is decentralized. Local groups conduct meetings and are supported by a wider service network rather than a conventional corporate hierarchy. Meetings may be held in person, online, or by telephone. According to the cited reference material, the CoDA meeting directory listed more than 1,000 meetings in the United States as of 2026, while CoDA World Service reported meetings in more than 70 countries. This international and remote-access structure allows the program to serve people beyond the location of its original Phoenix meeting. CoDA's present identity is therefore centered on accessible peer fellowship, evolving recovery literature, and member-led service rather than on physical products or commercial expansion.
History
Co-Dependents Anonymous emerged in the United States during the 1980s as a Twelve-Step fellowship for people who wanted to develop more functional and healthy relationships. Its first recorded meeting took place in Phoenix, Arizona, on October 22, 1986. Thirty people attended that meeting. The response was swift: within four weeks, attendance had risen to approximately 100 people, and by the end of 1986 the fellowship had grown to about 120 groups. The early growth of CoDA led to the creation of a broader service system. In 1987, the fellowship held its first National Service Conference, attended by 29 representatives from seven states. As with other member-led Twelve-Step fellowships, this conference provided a mechanism for participating groups to coordinate shared responsibilities, develop communications and literature, and make collective decisions while preserving local meeting autonomy. CoDA's approach has not depended on one fixed clinical definition of codependence. Instead, the fellowship has used descriptions of recurring relationship and personal patterns to help members reflect on their experiences. These patterns may involve difficulty recognizing emotions, low self-worth, excessive compliance, controlling behavior, avoidance, indirect communication, or the habitual prioritization of other people's needs over one's own. The program's understanding has therefore remained adaptable rather than being tied to a single diagnostic formula. The development of CoDA's pattern language also influenced wider descriptions of codependent behavior. A 1989 CoDA pamphlet, "What is Co-Dependency?," was used as the basis for a 38-item checklist published by Charles Whitfield in 1991. Later comparisons reported a strong correlation between scores on the Co-Dependents Anonymous Checklist and the Spann-Fischer Codependency Scale. These associations belong to the history of codependence-related assessment and discussion, but CoDA itself remains a peer fellowship rather than a medical or psychological diagnostic authority. At the 2010 CoDA Service Conference, the fellowship revised its Patterns and Characteristics of Codependence list. The earlier version contained 22 items in four groups: Denial, Low Self-Esteem, Compliance, and Control. The revised framework expanded to 55 items and added Avoidance Patterns. The examples included difficulty identifying feelings, severe self-criticism, setting aside personal interests to satisfy others, giving advice without being asked, and relying on indirect or evasive communication to avoid confrontation. Over time, CoDA developed an international and increasingly flexible meeting network. Meetings are available through local groups as well as online and telephone formats. The cited reference material states that, as of 2026, the meeting directory included more than 1,000 meetings in the United States and that CoDA World Service reported meetings in more than 70 countries. This expansion has allowed the fellowship to operate across national borders without abandoning its original emphasis on mutual aid, personal change, and shared Twelve-Step practice. CoDA's history is consequently one of grassroots formation, decentralized service, evolving recovery language, and international access. Its core identity is not based on consumer goods or a conventional corporate product portfolio. The fellowship's principal resources are meetings, literature, relationship-pattern frameworks, service conferences, and the continuing participation of members seeking healthier ways to relate to themselves and others.
- 2026
Global meeting directory reported
[1]Reference material reports more than 1,000 United States meetings and meetings in over 70 countries, with online and telephone directories also available.
- 2010
Patterns and Characteristics framework revised
[1]The CoDA Service Conference expanded the framework from 22 to 55 items and added Avoidance Patterns to the existing groups.
- 1991
Co-Dependents Anonymous Checklist published
[1]Charles Whitfield published a 38-item checklist based on the 1989 CoDA pamphlet, contributing to subsequent discussion of codependence-related patterns.
- 1989
CoDA pamphlet informs later checklist
[1]The fellowship's pamphlet "What is Co-Dependency?" became the cited basis for a later checklist associated with codependence patterns.
- 1987
First National Service Conference
[1]CoDA held its first National Service Conference with 29 representatives from seven states.
- 1986
First CoDA meeting
[1]The first Co-Dependents Anonymous meeting was held in Phoenix, Arizona, on October 22, with 30 participants.
- 1986
Rapid first-year growth
[1]Within four weeks, attendance had reached approximately 100 people, and by the end of the year the fellowship had about 120 groups.
Products and positioning
A decentralized, member-led Twelve-Step fellowship focused on relationship patterns, emotional awareness, boundaries, self-esteem, and healthier interpersonal functioning. CoDA positions itself as a mutual-support community rather than a clinical diagnosis provider or commercial therapy brand.
Peer-support recovery program · 1986
CoDA Twelve-Step program
CoDA's central offering is a Twelve-Step fellowship for people seeking healthier and more functional relationships. Members use meetings, personal reflection, shared experience, and other fellowship practices to examine patterns involving self-esteem, emotional awareness, boundaries, compliance, control, and avoidance. The program is peer-led and is not presented as a clinical diagnostic service.
Support groups · 1986
CoDA meetings
Local CoDA groups provide the main setting for mutual support and recovery work. Meetings may be conducted in person, online, or by telephone, allowing participation across geographic regions and giving members multiple formats for engaging with the fellowship.
Recovery framework · 2010
The Patterns and Characteristics of Codependence
This framework describes recurring patterns associated with codependence through categories including Denial, Low Self-Esteem, Compliance, Control, and Avoidance. Its 2010 revision expanded the list to 55 items, offering members a vocabulary for self-reflection without requiring CoDA to define codependence as a single medical diagnosis.
Recovery literature · 1989
CoDA literature
CoDA uses pamphlets and other written materials to explain its approach, meeting practice, and descriptions of relationship patterns. The 1989 pamphlet "What is Co-Dependency?" is specifically associated with the later development of a checklist and the fellowship's evolving explanatory language.
Brand decisions
2010
Expand the Patterns and Characteristics frameworkStrategyBackground
CoDA's earlier list contained 22 items grouped under Denial, Low Self-Esteem, Compliance, and Control. The fellowship's service conference reviewed the framework as its understanding of codependent patterns continued to develop.
Action taken
The 2010 CoDA Service Conference approved an expanded 55-item framework and added Avoidance Patterns as a fifth category.
Aftermath
The revision gave members a broader vocabulary for identifying relationship and self-management patterns while preserving CoDA's non-rigid approach to defining codependence.
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