How Long Does Therapy Usually Take?

By Dan Zomerlei, PhD, LMFT | Alliance Counseling Group

This is probably the question I get asked most often before someone starts therapy. And my honest answer — which I know isn’t the answer people are hoping for — is: it depends.

I know. Not satisfying.

But “it depends” doesn’t mean “there’s no way to know.” There are patterns worth understanding, and I think most people can get a reasonably accurate read on their situation if they know what to look for. Let me try to actually be useful here.

What the research says

Psychotherapy outcome research — and there’s a lot of it — tends to find that meaningful symptom improvement happens within the first eight to sixteen sessions for a wide range of common presenting concerns. That’s the foundation for most short-term, evidence-based treatment protocols. CBT for anxiety or depression, for example, is typically delivered in twelve to twenty sessions and produces real results in that window for a lot of people.

What the research also consistently finds: more complex presentations — relational trauma, long-standing depression, attachment-level patterns that have been in place for decades — benefit from longer-term work. Brief therapy can reduce symptoms meaningfully. It doesn’t always restructure the deeper patterns underneath them. Those are different goals, and they have different timelines.

A rough framework

Imperfect — but genuinely useful.

Short-term (roughly 8–20 sessions): A focused presenting concern. Skill-building for a specific challenge. Situational crisis support. Someone who is generally functioning well and wants tools for a particular problem.

Medium-term (6–18 months of regular sessions): Deeper relational or identity-level work. More complex anxiety or depression that has roots in patterns, not just circumstance. Significant grief or loss. Patterns that have shown up across multiple relationships or contexts — the same fight with different people, the same feeling of being stuck in different situations.

Longer-term (years, sometimes): Long-standing relational trauma. Attachment-level work. Conditions that genuinely benefit from a consistent, trusted relationship over time. This is less often where people start — more often where they arrive after realizing the work is bigger and more layered than they initially understood.

What actually changes the timeline

A few things reliably affect how long therapy takes, in my experience.

How long you’ve been carrying it. Something that has been present and reinforced for twenty years doesn’t typically resolve in twenty weeks. That’s not a discouraging statement — it’s a realistic one, and knowing it protects you from giving up too early when the timeline doesn’t match your expectations.

How much shifts outside the room. Clients who bring what they’re learning into their day-to-day life — their relationships, their patterns, their choices — tend to move faster than those who treat therapy as a contained hour with a wall around it. The work happens in the room and in between.

Fit. The right therapeutic relationship tends to produce faster movement than a workable-but-not-quite-right one. It’s not the only factor, but it’s a real one.

The insurance reality

Most insurance plans authorize therapy in short blocks — often six to ten sessions at a time — which creates a kind of artificial pressure on the timeline that has nothing to do with what you actually need. Have a direct conversation with your therapist about what they think is realistically required, separate from what insurance is covering at any given moment. These are related but genuinely different questions, and conflating them can lead you to stop therapy before the work is done.

You can ask

At any point in therapy, it’s completely appropriate to ask your therapist: “Where do you think we are? How much longer do you think this realistically takes?” A good therapist won’t have a perfect answer — they’re not fortune-tellers, and honest clinicians acknowledge uncertainty about timelines. But they should be able to give you a meaningful, frank response about where the work seems to be heading. If they can’t or won’t, that’s information too.

The bottom line

Therapy isn’t a fixed-length treatment. It’s a process that adjusts to what you’re actually working on and what you actually need. The question worth asking isn’t “how fast can I finish” — it’s “am I getting what I came for, at a pace that makes sense for the actual complexity of what I’m working on?”

Those are different questions. And the second one usually gets you a more honest answer.

Alliance Counseling Group offers individual, couples, and family therapy across West Michigan — Holland, Grand Rapids, Grandville, Byron Center — and via telehealth throughout Michigan. If you’re wondering whether the commitment makes sense for your situation, we’re happy to talk it through before you start.