How Long Does Therapy Actually Take?

“How many sessions will I need?” is almost always the second question people ask — right after “how much does it cost?” It's a practical question and it deserves a practical answer. Most therapists dodge it with “everyone is different” and leave you no better informed. Here is what I actually tell people.

The Honest Answer: It Depends. Here's What It Depends On.

Therapy doesn't have a fixed length because the things people come in with aren't fixed in complexity. There is a meaningful difference between someone dealing with a specific life stressor — a difficult job transition, a breakup, acute grief — and someone who has spent thirty years living with the effects of childhood trauma, attachment disruption, or a mood disorder. Those two people need different things, and the timelines reflect that.

Here is a rough framework based on my 18 years of practice. These are averages and starting points, not guarantees.

Short-Term Work: 6–12 Sessions

A focused, well-defined goal — one that is about a specific present-day situation rather than a long-standing pattern — can often be addressed meaningfully in 6 to 12 sessions. This is the territory of:

• Work or career stress
• Adjustment to a major life change (move, new job, new relationship)
• Mild to moderate anxiety around a specific trigger
• Preparing for a difficult conversation or situation
• Grief that has not become complicated

Approaches like Solution-Focused Brief Therapy (SFBT) and structured CBT protocols were specifically designed for this range. They are effective, evidence-based, and do not require extended treatment to produce results.

Medium-Term Work: 12–24 Sessions

Most of the people I see fall into this range. They have come in with something that is clearly affecting their daily life — anxiety that has generalized beyond one trigger, depression that has lingered, relationship conflict that keeps repeating — and there is usually some history underneath it that is worth understanding.

This is not excavation for its own sake. It is about understanding the pattern well enough to change it, rather than just managing symptoms. Twelve to twenty-four sessions gives us enough time to do real work without an open-ended commitment.

Longer-Term Work: 24+ Sessions

Complex PTSD, attachment trauma, dissociation, severe mood disorders, or presentations where someone has spent decades developing coping strategies that no longer serve them — this work takes longer. Not because the person is doing something wrong, but because the nervous system takes time to regulate, and trust takes time to build when trust has been broken before.

EMDR, which I use extensively with trauma, is effective for processing specific traumatic memories in a relatively concentrated way — often 8 to 16 sessions of active EMDR processing, within a broader therapeutic relationship. For complex trauma, that broader relationship may span a year or more.

When Will I Start to Feel Better?

This is a better question than “how long will it take?” And the answer, for most people, is sooner than they expect. Research consistently shows that people experience meaningful symptom improvement within the first 6 to 8 sessions of therapy — even before they have worked through the underlying cause.

What changes first is usually not the problem itself. It is the experience of being heard. Of not carrying it alone. Of having someone help you make sense of what is happening. That shift happens early, and it matters.

Do I Have to Commit to a Long Course Upfront?

No. I work session-by-session. We will talk early on about what seems realistic given what you are bringing, but you are never locked into a predetermined number. Some people come for a few sessions, get what they need, and leave. Some people start with a short goal and discover something they want to go deeper on. I follow the client, not a rigid protocol.

What I would ask of you is enough sessions to actually do something meaningful — three or four sessions is rarely enough to know what you need, let alone get there. The research suggests a minimum of 6 to 8 before making a judgment about whether the approach is working.

A Word About Taking Breaks

People sometimes need to pause therapy — finances, life circumstances, feeling ready to try it on their own. That is completely normal and not a failure. Many clients come back months or years later when something new comes up, or when they are ready for a deeper layer of work. There is no shame in the stop and start. Therapy is a resource you use when you need it.

The Bottom Line

If someone at a dinner party asks how long therapy takes, the honest answer is: somewhere between 8 and 30 sessions, for most people, for most things. Rare cases are shorter; complex trauma takes longer. You will start to notice something shifting within the first few sessions if it is working. And you are never locked into anything you are not comfortable with.

The more useful question is whether to start. The answer to that one is almost always yes.

Andrew Garnet MSW, RSW

Registered Social Worker with 18 years of experience in Scarborough, Ontario. Andrew specializes in trauma therapy, EMDR, men's mental health, and support for first responders and veterans. Full bio →