What age is menopause? Average age and typical range

The average age of menopause is 51 in both the UK and US, and most people reach it somewhere between 45 and 55 [1][2]. Menopause before 45 is called early menopause, and before 40 it's called premature menopause. These are population averages, not a prediction for your own timeline — for the fuller picture of the whole transition, see the menopause guide.

This page was written by the Softa editorial team using NICE, NHS, and ACOG guidance. It has not yet been clinically reviewed — see our editorial policy.

What age do women go through menopause?

ACOG states the average age women reach menopause is 51 [1]. NHS guidance describes menopause as usually happening "between 45 and 55," noting it can happen earlier or later for some people [2]. Both figures describe the same reality from slightly different angles: 51 is the average, but a wide normal range sits around it, and there's no way to predict in advance exactly where you'll land within it.

When does menopause typically start, counting from perimenopause?

Menopause itself is a single point — 12 months without a period — but the transition leading up to it, perimenopause, often starts eight to ten years earlier, commonly in a person's mid-40s, though sometimes in the mid-30s [3]. Perimenopause age covers that earlier window in depth. The math means some people notice the first changes of this transition more than a decade before menopause itself arrives.

Average menopause age by comparison

What affects when menopause happens?

Several factors can shift timing earlier, though none of them guarantee an exact age. Smoking is associated with reaching menopause roughly one to two years earlier on average [3]. A family history of earlier menopause, certain cancer treatments (chemotherapy or pelvic radiation), and surgery to remove the ovaries can all move timing earlier too [2][3]. A hysterectomy that leaves the ovaries in place doesn't cause menopause on its own, though it does remove periods as a signal, which can make the 12-month marker harder to track directly — worth naming explicitly to a doctor.

Can menopause happen in your 30s or 40s?

Yes. Menopause before 45 (early menopause) and before 40 (premature menopause, sometimes diagnosed as premature ovarian insufficiency) both happen, even though they're outside the typical range [2]. Either situation is worth a specific conversation with a doctor rather than assuming it's unlikely because of age — premature menopause covers why, including the general reasoning behind continuing HRT until the average age of natural menopause in these cases.

Why age alone doesn't tell you where you stand

Two people the same age can be in very different places in this transition — one might have reached menopause years earlier, another might still be mid-perimenopause with years of irregular cycles ahead. Comparing your age to an average, or to a friend's experience, tends to create more worry than clarity. See what is menopause for the exact definition that actually confirms it, and menopause symptoms for what's typical once you're there. Tracking your own cycle and symptom pattern over time usually tells you more than an age comparison does.

Start the check Wondering where your own answers place you? Softa's short assessment organizes what you've noticed — without an age gate. Start the check →

When should I see a doctor about menopause timing?

See a doctor if your periods stop or become significantly irregular before age 45, and especially before age 40 — this needs evaluation for early or premature menopause rather than being assumed. At any age, see a doctor promptly for any bleeding after 12 months without a period, very heavy or unusual bleeding, or bleeding between periods or after sex.

Sources

1. ACOG. The Menopause Years. Accessed 2026. acog.org/womens-health/faqs/the-menopause-years
2. NHS. Menopause. Accessed 2026. nhs.uk/conditions/menopause
3. Cleveland Clinic. Perimenopause: Age, Stages, Signs, Symptoms & Treatment. Accessed 2026. my.clevelandclinic.org/health/diseases/21608-perimenopause