The Japan Navigator

How to File a Moving Out and Moving In Notice in Japan (転出届・転入届 Step-by-Step Guide) If you’re moving in Japan, there’s one thing you absolutely cannot ignore: You must officially report your address change at city hall. This involves two possible notices: Moving-out notice (転出届 – tenshutsu todoke) Moving-in notice (転入届 – tennyū todoke) If you don’t do this properly, you can run into problems with health insurance, residence records, banking, and even immigration procedures. Here’s exactly how it works — in plain language. First: Are You Moving Within the Same City or to a Different City? The process depends on where you’re moving. Moving to a different city, ward, or municipality File a 転出届 (moving-out notice) at your old city hall File a 転入届 (moving-in notice) at your new city hall Moving within the same city File a 転居届 (change of address within city) If you’re unsure, search Google Maps for: 「〇〇市役所 住所変更」 (Replace 〇〇 with your city name...

What to Do If You Lose Your ID in Japan (Residence Card, My Number, Insurance) Losing an ID in Japan can be stressful, especially if you are unsure which document matters most or what you are legally required to do. The steps you need to take depend on which ID was lost , but the overall process is structured and predictable once you understand it. This article explains what to do if you lose your ID in Japan , which authorities to contact, and what typically happens next. First: Identify Which ID Was Lost Not all identification documents are treated the same in Japan. The most commonly lost IDs include: Residence card My Number card or My Number notification Health insurance card Driver’s licence Some of these are tied to immigration status, others to tax or insurance systems. The response depends on the document. Step 1: File a Lost Property Report with the Police For most lost IDs, the first step is to file a lost property report (遺失届) at a po...

How Health Insurance in Japan Works When You Change Jobs Changing jobs in Japan often creates confusion around health insurance. Many people assume coverage automatically continues, or that their new employer “handles everything.” In reality, health insurance during a job change depends heavily on timing , and small gaps can leave you temporarily uninsured without realising it. This article explains how health insurance in Japan actually works when you change jobs , what happens in the transition period, and what you should pay attention to. The Two Main Types of Health Insurance in Japan Most people in Japan are covered by one of these systems: Employee Health Insurance (through an employer) National Health Insurance (managed by your municipality) When you change jobs, you often move from one system to the other — even if only temporarily. What Happens When You Leave Your Job Your employee health insurance does not continue indefinitely after your last ...

Why Your Japanese Bank Account Can Suddenly Be Frozen (And How to Fix It) One of the most alarming experiences for foreign residents in Japan is discovering that their bank account no longer works. You may notice: Your debit card is declined Online banking access is blocked Transfers fail without explanation This often happens without warning , which makes it especially stressful. This article explains why Japanese bank accounts are sometimes frozen , the most common triggers, and what you can realistically do to fix the situation. First: What “Frozen” Usually Means In most cases, a frozen bank account in Japan does not mean your money is gone. It usually means: Transactions are temporarily restricted The bank requires confirmation or updated information Access will be restored once the issue is resolved This is an administrative lock, not a punishment. The Most Common Reason: Address Mismatch The single most common reason accounts are f...

What You Must Update When You Change Address in Japan (Complete Admin Checklist) Changing address in Japan involves more than just telling your landlord or forwarding mail. When you move, you are legally responsible for reporting your new address to multiple institutions . Some updates are mandatory, some are practical, and others are easy to forget until something breaks. This article provides a clear, complete checklist of what you must update when you change address in Japan, so nothing important is missed. 1. City Hall (Mandatory) The most important update is your address registration at city hall. You are required to: Submit a move-out notification (転出届) to your old municipality Submit a move-in notification (転入届) to your new municipality This must usually be done within 14 days of moving. Your address registration affects: Residence records Health insurance Resident tax Access to other certificates Without this update, many other ad...

How to Register a Personal Seal in Japan (And Why It’s Still Useful) One of the more confusing administrative steps foreigners encounter in Japan is being told they need a “registered seal.” With digital signatures and online banking now common in many countries, this often raises questions: What is seal registration? Is it mandatory? Do I really need this? This article explains how personal seal registration works in Japan , what it is actually used for today, and whether it is worth doing. What Is a Personal Seal (Inkan)? A personal seal (印鑑 / inkan) is a physical stamp used in place of a handwritten signature. There are several types, but for administrative purposes the most important distinction is whether a seal is registered or not. What Does It Mean to Register a Seal? Seal registration means officially linking a specific seal to your identity at city hall. Once registered: The seal becomes your legally recognised stamp You can obtain a...

What Happens If You Go to a Hospital in Japan Without Insurance One of the most stressful questions newcomers ask is simple and frightening: “What happens if I need to go to a hospital in Japan before my health insurance is set up?” This situation is more common than people realise. It can happen in your first weeks after arrival, between jobs, or during an unexpected illness. This article explains what actually happens if you go to a hospital in Japan without insurance , how hospitals handle it, what it can cost, and what you should (and should not) worry about. First, the Short Answer You will not be refused care for being uninsured. Hospitals in Japan will treat you, but: You will be asked to pay 100% of the cost upfront The bill can be significantly higher than expected Some options may exist later, but they are limited Understanding this in advance makes a big difference. How Japan’s Health Insurance Normally Works (Briefly) Under Japan’s publi...

Emergency Services in Japan: How to Call an Ambulance or Police and What Happens Next For many people living in or moving to Japan, emergency services are something they hope they will never need — and something they quietly worry they won’t understand if they do. Questions come up quickly: Which number do you call? Is English available? Will it cost money? What happens after you call? This article explains how emergency services actually work in Japan , what to expect when you call, and how to prepare calmly in advance. The Emergency Numbers in Japan Japan uses two main emergency numbers: 119 — Ambulance and fire 110 — Police These numbers work nationwide and are free to call from: Mobile phones Landlines Public phones You do not need a SIM card balance or credit. Calling an Ambulance in Japan (119) Calling 119 connects you to the local fire department, which also dispatches ambulances. Ambulances in Japan are public ser...

Why Your Employer Handles Your Taxes in Japan (Until They Don’t) One of the most reassuring things for new employees in Japan is being told that their employer “handles taxes for them.” In many cases, this is true — but only within clearly defined limits. When those limits are crossed, responsibility quietly shifts back to the individual, often without much explanation. This article explains how employer-handled taxes work in Japan , what is actually covered, and when you are suddenly expected to take over. The Basic Idea: Withholding at the Source For most full-time employees in Japan, income tax is withheld directly from salary. This system is known as withholding at the source , and it means: Your employer deducts income tax from each paycheck You receive your salary after tax You usually do not file a tax return yourself This setup creates the impression that taxes are fully “taken care of.” The Year-End Adjustment (年末調整) The key mechanism that mak...

Why Japan Still Uses Paper Bills and Mail for Everything One of the first surprises for many newcomers to Japan is how much important information still arrives by post. Utility bills, city hall notices, pension statements, insurance updates — even in a highly advanced country, physical mail remains central to daily administration. This often feels outdated, inefficient, or unnecessarily stressful. In reality, Japan’s reliance on paper mail follows a clear internal logic. This article explains why paper is still dominant , what it signals, and how to approach it without anxiety. The Expectation Gap for Newcomers Many people arrive in Japan expecting: Digital billing by default Email notifications for official matters Online portals replacing paper Instead, they find their mailbox filling up with envelopes — often formal, sometimes alarming, and rarely explained. The disconnect is not about technological ability. It is about how trust, responsibility, and proo...

Why Japanese Utility Bills Rarely Match Your Usage Period One of the most common points of confusion for newcomers to Japan is utility billing. You check your electricity or gas bill and notice something strange: the dates don’t match the period you think you used the service. Sometimes the bill arrives weeks later. Sometimes the amount feels disconnected from how much you remember using. This article explains why Japanese utility bills often feel “out of sync” , how the system actually works, and why this confusion is especially common in your first year. The Expectation vs Reality Problem Many people arrive in Japan expecting utilities to work like they do elsewhere: You use electricity or gas during a given month You receive a bill shortly after The bill clearly reflects that usage period In Japan, billing follows a different logic. The issue is not that the system is inaccurate — it is that it prioritises administrative cycles over real-time usage . ...

Guarantor vs Guarantor Company in Japan: What’s the Difference? If you have ever searched for an apartment in Japan, you have almost certainly encountered the word guarantor . For many foreign residents, this requirement is confusing and often becomes the biggest obstacle to renting — especially in cities like Tokyo. This article explains the difference between a personal guarantor and a guarantor company , how each works in practice, what they cost, and why most landlords now prefer guarantor companies. What Is a Guarantor in Japan? In Japan, a guarantor (連帯保証人) is someone who legally agrees to take responsibility if the tenant fails to pay rent or causes damage. This is not a symbolic role. A guarantor is: Legally responsible for unpaid rent Potentially liable for damages Contacted directly if problems arise Because of this liability, being a guarantor is a serious commitment. Personal Guarantor: How It Works A personal guarantor is usually: A ...

Why a Kotatsu Can Save You Money in Japan (Especially in Your First Winter) When people ask how much money they should save before moving to Japan, heating costs are rarely part of the discussion. Yet for many newcomers, winter electricity bills are one of the first unexpected expenses. Japanese apartments are often poorly insulated, and heating an entire room can become expensive very quickly. This is why many households rely on a uniquely Japanese solution: the kotatsu . A kotatsu is not just a cultural item. It is one of the most cost-effective ways to stay warm in Japan — especially during your first winter. Why Heating Costs Surprise Newcomers in Japan Many people moving to Japan assume winter heating will be manageable. In practice, several factors make it harder than expected: Thin walls and weak insulation in many apartments High ceilings that trap cold air Electric heaters and air conditioners consuming significant power Long evenings spent at home du...

How Much Money Should You Save Before Moving to Japan? One of the most common questions people ask before moving to Japan is simple, but stressful: how much money do I actually need? Online answers range from wildly optimistic to unnecessarily alarming. The reality depends on your situation — but there are realistic minimums, and there are common mistakes that leave people financially exposed in their first months. This article explains how much money you should save before moving to Japan, based on real costs, timing gaps, and what newcomers consistently underestimate. Why Your First Months in Japan Cost More Than You Expect Even if you already have a job lined up, Japan has a timing problem that affects cash flow. Common reasons: Your first salary is often paid 4–6 weeks after you start working Initial housing costs are front-loaded Administrative costs arrive early Nothing feels “monthly” at the beginning This means you need a buffer — not just enoug...

Admin Fatigue in Japan: Why Everything Feels Complicated (And How Locals Cope) At some point, many foreign residents in Japan hit a wall. It is not culture shock, language barriers, or even work — it is administration. Forms, stamps, counters, deadlines, repeated explanations. Individually, each task is manageable. Together, they can feel overwhelming. This feeling has a name many people recognize instinctively: admin fatigue . This article explains why administrative procedures in Japan feel so exhausting, even when things technically work well — and how Japanese people themselves cope with it. It’s Not That the System Is Broken One important point to understand is this: Japanese administration is not chaotic or inefficient in the usual sense. Most procedures are: Rule-based Predictable Designed to avoid ambiguity The problem is not disorder. The problem is density . Why Admin in Japan Feels So Heavy Everything Is a Separate Process In Japan, tasks ...

Practical New Year Tips in Japan (Plus the Traditions You’ll See Everywhere) New Year (お正月 / Oshōgatsu) is the most important holiday period in Japan. While Christmas passes quickly, New Year affects daily life in very real, practical ways — especially if you are not expecting it. This article covers what to prepare for New Year in Japan , what typically closes, and the main traditions you will see Japanese people observing between December 31 and January 3 — including why some shrines become extremely crowded, even overnight. Many Things Close — More Than You Expect Unlike Christmas, New Year in Japan comes with real shutdowns. Common closures include: Banks and government offices Clinics and small medical practices Real estate agencies and moving services Smaller restaurants and local shops Large convenience stores remain open, but overall activity slows down significantly. Prepare Cash in Advance ATMs at convenience stores usually work, but bank br...

Christmas in Japan: What It’s Really Like (And What Surprises Foreigners) Christmas in Japan looks familiar at first glance — lights, trees, music, cakes — but the meaning behind it is very different from what most foreigners expect. This article explains what Christmas in Japan is actually about, what usually surprises newcomers, and how locals really experience it. Christmas Is Not a Public Holiday The first surprise for many foreign residents is simple: December 25 is a normal working day . Schools, offices, banks, and government services all operate as usual. There is no nationwide holiday, and no expectation that people take time off. In Japan, Christmas is treated as an event , not a holiday. Christmas Is for Couples, Not Families Unlike in many Western countries, Christmas in Japan is primarily seen as a romantic occasion . It is commonly associated with: Dinner dates Exchanging gifts between couples Hotel stays or special restaurant reservations...

Being Self-Employed in Japan: Hidden Costs No One Warns You About Being self-employed in Japan often looks attractive on paper: flexibility, autonomy, and higher gross income potential. In reality, many freelancers and solo business owners underestimate the hidden costs that only appear after the first year. This article explains the main financial blind spots for self-employed residents in Japan — especially foreigners — and why cash flow often feels tighter than expected even when income is decent. The First-Year Illusion Many self-employed people feel financially comfortable in their first year. This is usually temporary. Common reasons: No residence tax yet Low National Health Insurance premiums Limited pension contributions in the prior year In year two, all of these costs arrive at once. National Health Insurance Is Income-Based — and Expensive Self-employed residents are enrolled in National Health Insurance (Kokumin Kenkō Hoken) , which is manag...

National Pension vs Employee Pension in Japan (What You Actually Get) Japan’s pension system is often described as simple, but in practice it is widely misunderstood — especially by foreign residents. Many people contribute for years without a clear idea of what they will actually receive in retirement. This article explains the difference between National Pension (Kokumin Nenkin) and Employee Pension (Kōsei Nenkin) , how payouts are calculated, and what you can realistically expect based on income and years of contribution. The Two-Tier Pension System in Japan Japan’s public pension system has two main layers: National Pension (Kokumin Nenkin) – the base pension for all residents Employee Pension (Kōsei Nenkin) – an additional earnings-based pension for employees Which pension you contribute to depends entirely on your employment status. National Pension (Kokumin Nenkin) National Pension applies if you are: Self-employed or freelance Unemployed or...