Imagine turning 42.

You've got a birthday coming up. Maybe a nice dinner, a cake, and a few drinks with friends.

Then someone in Japan tells you:

"Be careful. You're entering one of the unluckiest years of your life."

Wait. WHAT?! 😳

In Japan, certain ages are traditionally believed to bring a greater risk of misfortune, illness, or unexpected life changes.

These years are called Yakudoshi (厄年), meaning "calamitous years" or "unlucky ages."

And here's the surprising part.

Men and women traditionally have different unlucky ages.

Even more confusing? Japan has its own traditional way of counting your age.

So before you start worrying about your next birthday, let's discover what Yakudoshi actually means—and why people still take it seriously today.

What Is Yakudoshi (厄年)?

Yakudoshi is a traditional Japanese belief that certain years of a person's life are more vulnerable to misfortune.

The word combines two Japanese characters:

• 厄 (yaku) — misfortune, calamity, or hardship
• 年 (doshi) — year

Together, they refer to years traditionally associated with increased risk or difficulty.

The belief has deep roots in Japanese customs and has been passed down through generations.

However, Yakudoshi isn't a prediction that something terrible will happen.

It's more like a cultural reminder to be cautious, pay attention to your health, and prepare for changes in life.

Think of it as Japan's traditional version of:

"Maybe this is a good year to be extra careful." 😅

What Are the Unlucky Ages in Japan?

Here's where things get interesting.

Traditionally, the main Yakudoshi ages differ for men and women.

Men	Women
25 years old	19 years old
42 years old	33 years old
61 years old	37 years old
	61 years old

These are commonly recognized ages, although customs can vary by region and shrine.

Among them, two ages are considered particularly significant.

For men, it's 42.

For women, it's 33.

These are known as Taiyaku (大厄), meaning the most serious or major unlucky years.

But why these particular numbers?

Why Is 42 Considered Unlucky for Men?

In Japanese, the number 42 can be pronounced shi-ni.

And that sounds like 死に (shini), associated with dying.

Not exactly the birthday message anyone wants to hear. 😳

This association is one traditional explanation for why 42 is considered a particularly unlucky age for men.

However, Yakudoshi isn't based only on wordplay.

Historically, people also associated certain ages with important physical and social transitions.

For many men, their early forties could bring greater family responsibilities, career pressures, and changes in health.

In traditional thinking, these transitions made it a time to be especially cautious.

So while the pronunciation makes 42 memorable, the belief also reflects concerns about life's changing stages.

Why Is 33 Considered Unlucky for Women?

For women, the most significant Yakudoshi age is traditionally 33.

Why?

One explanation involves another Japanese wordplay.

The number 33 can be pronounced san-zan, which sounds like 散々 (sanzan), meaning terrible, miserable, or disastrous.

Well, that's encouraging. 😂

As with men's Yakudoshi, the association is also connected to traditional ideas about major life transitions.

Historically, women's roles, responsibilities, and physical experiences were often interpreted differently from men's.

These beliefs helped shape the separate Yakudoshi ages.

Of course, modern life looks very different from the society in which these traditions developed.

But the custom remains recognizable throughout Japan.

Wait... Japan Counts Age Differently?

Here's a detail that can make Yakudoshi especially confusing.

Traditionally, Yakudoshi ages are calculated using Kazoedoshi (数え年), an older Japanese age-counting system.

Under Kazoedoshi, a baby is considered one year old at birth.

Then everyone gains another year of age on January 1, regardless of their actual birthday.

Yes. Everyone gets older on New Year's Day. 🎍

For example, imagine someone born in 1985.

In 2026, they turn 41 according to the modern age-counting system.

But under Kazoedoshi, they're considered 42 for the entire calendar year.

That means 2026 is traditionally their major Yakudoshi year.

This is why checking your birthday alone isn't always enough.

Many Japanese shrines display Yakudoshi charts showing the relevant birth years, making it easier to identify whether you're entering an unlucky year.

What Are Maeyaku, Honyaku, and Atoyaku?

One unlucky year sounds bad enough.

But traditionally, Yakudoshi often covers three consecutive years.

Surprise! 😂

These are:

Maeyaku (前厄) — The Year Before

This is the year leading up to your main unlucky age. It's considered a time when you should begin paying closer attention to your health and circumstances.

Honyaku (本厄) — The Main Unlucky Year

This is the central Yakudoshi year, traditionally believed to carry the greatest risk of misfortune.

Atoyaku (後厄) — The Year After

Even after the main year passes, the following year is traditionally considered part of the transition.

For example, a man's major Yakudoshi period traditionally covers Kazoedoshi ages 41, 42, and 43.

So instead of one unlucky birthday, you get a three-year experience.

Japan really knows how to extend a celebration. Just not always the fun kind. 😂

What Do Japanese People Do During Yakudoshi?

Don't worry. People don't simply stay home for three years waiting for something bad to happen.

One of the most familiar Yakudoshi traditions is visiting a shrine or temple for a purification or protection ritual.

At Shinto shrines, this is commonly called Yakubarai (厄払い), meaning the removal or purification of misfortune.

At Buddhist temples, a related ritual is often called Yakuyoke (厄除け), meaning protection against misfortune.

During these ceremonies, a priest or monk performs prayers or rituals intended to help the person pass through the year safely.

People may also receive protective charms or amulets.

For many families, visiting a shrine or temple during Yakudoshi is simply a familiar tradition.

It's not necessarily a sign that someone believes disaster is coming.

Sometimes it's about reassurance, reflection, and starting the year with a sense of protection.

When Do People Visit a Shrine for Yakudoshi?

Many people arrange Yakubarai or Yakuyoke early in the year.

Popular times include the New Year period and the weeks leading up to Setsubun, which usually falls around February 3.

Setsubun traditionally marks the transition between winter and spring according to Japan's older seasonal calendar.

Because it is associated with driving away misfortune and welcoming good fortune, it has a natural connection to Yakudoshi.

However, purification ceremonies are available throughout the year at many shrines and temples.

So if someone discovers in July that they're experiencing Yakudoshi, they haven't necessarily missed their chance.

There's no need to panic and book the next train to Kyoto. 😂

Are There Special Gifts for Yakudoshi?

Interestingly, some Japanese traditions involve giving gifts to people experiencing Yakudoshi.

In certain regions, long objects are considered especially appropriate.

Examples include belts, scarves, neckties, and other items associated with length.

Why long objects?

They can symbolize longevity and the hope for a long, healthy life.

Some customs also favour items associated with protection or good fortune.

These practices vary considerably between families and regions, and they aren't universal Japanese rules.

But they show how Yakudoshi isn't only about avoiding bad luck.

It can also be an opportunity for family members and friends to express care.

Is Yakudoshi Still Taken Seriously in Modern Japan?

Yes, although attitudes vary widely.

Some people carefully check their Yakudoshi years and visit a shrine for purification.

Others participate because their parents or grandparents encourage them.

And some don't pay much attention to the tradition at all.

Younger generations may see Yakudoshi more as a cultural custom than a literal prediction of misfortune.

Still, the tradition remains visible.

Shrines display unlucky-age charts, temples offer protective prayers, and conversations about Yakudoshi continue among families and friends.

For some people, reaching an unlucky age becomes a reason to think more carefully about their health, responsibilities, and future.

And perhaps that's part of why the custom has survived.

Is There Any Scientific Evidence That Yakudoshi Brings Bad Luck?

No scientific evidence establishes that particular Yakudoshi ages cause misfortune.

Turning 42 doesn't automatically make you more likely to have a terrible year.

And turning 33 doesn't mean disaster is waiting around the corner.

However, the broader idea that people experience important transitions at different stages of adulthood isn't unreasonable.

Careers change. Families grow. Responsibilities increase. Bodies age.

Yakudoshi offers a traditional cultural framework for acknowledging those changes.

Rather than viewing it as a prediction, some people treat it as a reminder to slow down, take care of themselves, and approach the coming year thoughtfully.

Not a bad idea, unlucky year or not.

So, Should You Worry About Your Yakudoshi?

Imagine discovering that this year is your Yakudoshi.

Should you cancel your holiday?

Avoid making big decisions?

Stay away from black cats?

Absolutely not. 😂

Yakudoshi is a cultural belief, not a guarantee of bad luck.

For people who observe the tradition, it's an opportunity to seek protection, reflect on their lives, and enter a new stage with a little extra care.

And for everyone else, it's a fascinating example of how Japanese culture connects numbers, language, spirituality, and everyday life.

Maybe the most useful lesson isn't that certain ages are unlucky.

It's that every stage of life deserves a little attention and care.

Frequently Asked Questions

What does Yakudoshi mean in Japanese?

Yakudoshi (厄年) means "unlucky year" or "calamitous year." It refers to specific ages traditionally believed to carry a greater risk of misfortune.

What are the unlucky ages for men in Japan?

The commonly recognized Yakudoshi ages for men are 25, 42, and 61, traditionally calculated using Kazoedoshi. Age 42 is considered the most significant.

What are the unlucky ages for women in Japan?

The commonly recognized ages for women are 19, 33, 37, and 61. Age 33 is traditionally considered the most significant.

What is the difference between Yakubarai and Yakuyoke?

Yakubarai generally refers to purifying or removing misfortune, particularly through Shinto rituals. Yakuyoke refers to protection against misfortune and is commonly associated with Buddhist temples, although terminology and practices can overlap.

How long does Yakudoshi last?

A traditional Yakudoshi period includes three years: Maeyaku (the year before), Honyaku (the main year), and Atoyaku (the year after).

Do all Japanese people believe in Yakudoshi?

No. Some take the tradition seriously, others participate as a family custom, and some don't observe it at all.

Is Yakudoshi based on your actual birthday?

Traditionally, Yakudoshi is calculated using Kazoedoshi, which counts a person as one year old at birth and adds a year every January 1. Some shrines and temples may use different age-counting conventions.

🇯🇵 Keep Discovering Japan

Curious about Japan's fascinating relationship with numbers and superstition? Explore What Are Imikazu (忌み数)? Japan's Unlucky Numbers and Their Hidden Meanings to discover why certain numbers are avoided in everyday Japanese life.

👋 Meet a JapPop Resident

Princess Yakimochi — やきもち姫 👑💗

Princess Yakimochi has just discovered something terrible.

Apparently, some ages are considered unlucky in Japan.

She immediately checks the calendar.

Then her birthday.

Then everyone else's birthday.

"Wait. Why does SHE get a lucky year and I don't?!" 😤

Princess Yakimochi can't help comparing herself to everyone around her.

Even when it comes to bad luck.

But perhaps there's one thing she should remember.

Life isn't a competition. Not even with the calendar. 💗

👉 Meet Princess Yakimochi and discover more residents from the JapPop Universe.

🇯🇵 About JapPop

At JapPop, we celebrate Japanese culture through playful illustrations, original characters, and stories inspired by everyday life in Japan.

From beloved foods and traditional festivals to folklore, historical figures, seasonal customs, language, and everyday life, every article introduces another piece of Japan—and another story worth discovering.

In Japan, even your age can carry a little cultural mystery.

But whether this year is lucky, unlucky, or somewhere in between, there's always something new to discover.

After all, getting older isn't bad luck. It's another chapter.

Discover Japan, one story at a time. 🇯🇵✨