Medical Expense Deduction Japan 2026: Complete Guide to the 100K Threshold

Medical Expense Deduction Japan 2026: Complete Guide to the 100K Threshold

Everything you need to know about Japan's medical expense deduction (iryouhi koujo): eligibility requirements, calculation methods, family aggregation rules, and step-by-step e-Tax filing instructions. Includes refund simulation and comparison with Self-Medication Tax System.

January 11, 2026
10 min read
[Complete Guide] When Is Tax Filing? 2026 Japan Dates & Calendar

[Complete Guide] When Is Tax Filing? 2026 Japan Dates & Calendar

2026 tax filing period: Feb 16 (Mon) - Mar 16 (Mon). Income tax, consumption tax, gift tax deadlines. e-Tax start dates. Late filing penalties explained based on NTA official information.

Tax Filing Guide
January 10, 2026
8 min read
Filing Japanese Taxes as a Foreigner in 2026: The Ultimate English Guide

Filing Japanese Taxes as a Foreigner in 2026: The Ultimate English Guide

Complete English guide to filing Japanese tax returns (kakutei shinkoku) in 2026. Covers tax residency, deductions, Blue Form benefits, and step-by-step filing instructions for foreigners living and working in Japan.

Tax Filing Guide
January 9, 2026
9 min read
Complete Timee & Gig Work Tax Guide 2026: Side Job Tax Filing in Japan

Complete Timee & Gig Work Tax Guide 2026: Side Job Tax Filing in Japan

Do you need to file taxes for Timee gig work in Japan? Learn about salary income treatment, withholding rules, the residence tax trap, and how to prevent your employer from finding out.

Tax Filing Guide
January 7, 2026
6 min read
2026 Tax Filing: Japan's Basic Deduction Rises to ¥950,000 — What Freelancers Need to Know

2026 Tax Filing: Japan's Basic Deduction Rises to ¥950,000 — What Freelancers Need to Know

Japan's 2026 tax filing brings major changes: basic deduction up to ¥950,000, salary deduction +¥100,000. Essential guide for freelancers based on NTA official information.

Tax Filing Guide
January 5, 2026
5 min read