Skin & hair

How Common Melanoma Really Is

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About one in 45 Americans will hear the word melanoma in their lifetime, and diagnoses have climbed for decades. But the same statistics that make it sound frightening also show why stage is everything: caught in the skin it is nearly always cured, and caught after it spreads it is not. Here is what the numbers say and what they mean for you.

Last updated: July 2026

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How many people get melanoma each year

For 2026 the National Cancer Institute estimates about 112,000 new melanomas of the skin in the United States, roughly 5.3 percent of all new cancer diagnoses 1. Averaged across the population, that works out to a rate of about 22 new cases per 100,000 people per year 1. Melanoma is only a small share of all skin cancers — most are basal or squamous cell — but it is the one these figures track most closely.

About 112,000 new melanomas of the skin are estimated in the US for 2026 — near 5.3% of all new cancers 1.

These are estimates modelled from recent trends, so the exact count shifts a little from year to year, but the scale — around a hundred thousand new cases a year — has been climbing for decades 1. Those counts have grown both because ultraviolet exposure has risen and because more skin is being examined and biopsied than in the past.

Your lifetime odds: about 1 in 45

Over an entire lifetime, about 2.2 percent of people in the US — roughly one in 45 — are expected to be diagnosed with melanoma of the skin 1. That figure is an average across everyone, so it runs higher for people with fair skin and heavy ultraviolet exposure, among other factors 2, and lower for others. A population average is not a personal risk score.

2.2 percent is a population average, not your personal risk — several factors move an individual above or below it.

Whether having many moles raises risk, and what it means when melanoma runs in the family, are common and reasonable questions — each is a topic of its own.

How many people die of melanoma

For 2026, about 8,510 deaths from melanoma are estimated in the US — around 1.4 percent of all cancer deaths 1. The gap between roughly 112,000 diagnoses and about 8,510 deaths is the important part: most melanomas are found and removed while still confined to the skin, and at that stage they are usually curable 1.

About 8,510 melanoma deaths are estimated for 2026, near 1.4% of US cancer deaths 1.

Mortality is concentrated in the smaller share of cases found after the cancer has already spread beyond the skin, which is why when melanoma is caught matters as much as how often it occurs.

Why melanoma has become more common

Melanoma diagnoses have risen over recent decades, driven partly by more ultraviolet exposure and partly by more skin being examined and biopsied. Ultraviolet radiation from the sun and from tanning devices is the main modifiable cause, and for melanoma the pattern that matters most is intense, intermittent exposure that causes sunburn rather than steady daily sun 2.

That is also why the question of whether childhood sunburns cause melanoma later comes up so often — early blistering burns are treated as a meaningful risk marker. Prevention is not just theoretical: in a randomized trial, adults who used sunscreen daily developed fewer melanomas than those who used it at their own discretion 3.

Who is most likely to get melanoma

Risk is not spread evenly. People with fair skin that burns rather than tans, light eyes and hair, and heavy or blistering ultraviolet exposure carry more of it 2. Whether having many moles means a higher risk, and what it means when melanoma runs in the family, are their own subjects — each shifts an individual's odds in ways a single average cannot show.

Darker skin lowers the odds but does not remove them. Melanoma in darker skin more often appears on the palms, soles, and under the nails, where it is easy to miss and, partly for that reason, is sometimes found later.

Common but survivable: melanoma by stage

The reason melanoma's frequency is not the whole story is stage. In current SEER data, five-year relative survival is about 94.7 percent overall — but that average hides a wide spread, from essentially 100 percent when the melanoma is still confined to the skin down to about 34 percent once it has spread to distant organs 1. These are relative-survival figures — they compare people who have melanoma with similar people who do not, isolating the effect of the cancer itself rather than every cause of death 1.

Stage at diagnosisShare of cases5-year relative survival
Localized (in the skin)~77%~100%
Regional (nearby lymph nodes)~10%~76%
Distant (spread)~5%~34%

Around 77 percent of melanomas are caught at that earliest, localized stage 1. How these categories are defined — what the melanoma survival rate by stage actually tracks, and what the stages of melanoma mean — is its own subject.

Melanoma's danger is almost entirely about stage — localized disease is usually cured, distant disease is not.

What the numbers mean for your own skin

Because melanoma is common but whole-population screening has uncertain benefit — the US Preventive Services Task Force rates the evidence for routine full-body skin exams in people without symptoms as insufficient 5 — the practical emphasis falls on knowing your own skin rather than on universal screening.

The ABCDE features — asymmetry, border irregularity, more than one colour, diameter, and especially evolving or changing — are the standard checklist for a mole that might be melanoma 4. Learning melanoma warning signs, what early melanoma actually looks like, and how fast melanoma spreads turns these population numbers into something you can act on. A spot that is changing is worth photographing and having seen, whatever the averages say. None of this replaces a clinician's eyes; it only decides when to bring a spot to them.

Common questions

It accounts for roughly 5.3 percent of new cancer diagnoses in the US, which places it among the more common cancers. Most skin cancers are actually basal or squamous cell carcinoma; melanoma is less common than those, but it is tracked closely because of how it can spread if found late.

About 2.2 percent of people in the US — roughly one in 45 — are expected to be diagnosed at some point. That is an average. Fair skin, blistering sunburns, tanning-bed use, many moles, and a family history push an individual's odds above it, while darker skin lowers them.

Yes. Diagnoses have risen over several decades. Part of that is greater ultraviolet exposure from the sun and tanning devices, and part is more skin being examined and biopsied, which finds more early, thin melanomas that once went unnoticed.

Health authorities have not found enough evidence that routine full-body skin exams for people without symptoms save lives, so there is no universal screening recommendation. The emphasis is on people at higher risk being checked, and on anyone noticing and reporting a changing spot.

No. Most melanomas are found while still confined to the skin, where five-year relative survival is essentially 100 percent. Deaths are concentrated in the smaller share found after the cancer has spread, which is why early detection matters so much.

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When a mole needs to be checked

  • —A mole or spot that is changing in size, shape, or colour over weeks to months, or that looks different from your others
  • —A lesion that is asymmetric, has an irregular or blurred border, contains more than one colour, or is wider than a pencil eraser
  • —A spot that itches, bleeds, crusts, or will not heal
  • —A new dark streak under a fingernail or toenail, or a new pigmented spot on a palm or sole

These figures describe populations, not your individual risk, and this article cannot evaluate a spot on your skin. A mole that is new, changing, or different from your others is worth having examined by a clinician who can see it.

References

  1. 1.National Cancer Institute, Surveillance, Epidemiology, and End Results (SEER) Program (2025). Cancer Stat Facts: Melanoma of the Skin. NIH / National Cancer Institute (SEER). linkUS melanoma epidemiology: estimated new cases and deaths for 2026, incidence rate, lifetime risk of about 2.2 percent, and 5-year relative survival overall and by stage (localized, regional, distant) with the share of cases at each stage.
  2. 2.National Cancer Institute (PDQ Screening and Prevention Editorial Board) (2025). Skin Cancer Prevention (PDQ®)–Health Professional Version. NIH / National Cancer Institute. link ✓Ultraviolet radiation is a modifiable cause of melanoma, with intermittent intense exposure and sunburn most important, and fair skin raising susceptibility.
  3. 3.Green AC, Williams GM, Logan V, Strutton GM (2011). Reduced Melanoma After Regular Sunscreen Use: Randomized Trial Follow-Up. Journal of Clinical Oncology. PMID 21135266 ✓Regular daily sunscreen use reduced the incidence of melanoma compared with discretionary use in a long-term randomized trial.
  4. 4.Abbasi NR, Shaw HM, Rigel DS, et al. (2004). Early diagnosis of cutaneous melanoma: revisiting the ABCD criteria. JAMA. PMID 15585738 ✓The ABCDE checklist, including 'evolving,' for identifying a mole that may be melanoma.
  5. 5.US Preventive Services Task Force (2023). Skin Cancer: Screening. US Preventive Services Task Force. link ✓The USPSTF found current evidence insufficient to assess the balance of benefits and harms of clinician whole-body skin examination to screen asymptomatic adults (Grade I).

5 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — citations link their sources. Editorial policy

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