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2025 Guide: Japan’s Social Insurance Premiums Explained｜Impact on 40s Workers’ Take-Home Pay

Japan social insurance premiums, 2025 guide, take-home pay Japan, 40s workers, health insurance Japan, pension contributions, long-term care insurance, employee costs, household budget, financial planning Japan

Furusato Nozei 2025: A Practical, Data-Driven Guide for Busy 40s Workers and Families

Complete 2025 guide to Furusato Nozei: how Japan’s hometown tax works, why it benefits 40s households, best platforms (Rakuten, Satofull, Furunavi), and common mistakes to avoid.

【2025年版】ふるさと納税おすすめ完全ガイド｜40代会社員の節税と家計改善に効くサイト比較

【2025年版】40代会社員必見！ふるさと納税で節税と家計改善を実現。仕組みから控除上限額、おすすめサイト比較までわかりやすく解説します。

Japan Then and Now: A 30-Year Comparison of Real Wages and Taxes

Japan Then and Now: A 30-Year Comparison of Real Wages and TaxesIntroduction“Salaries don’t rise, but taxes and social i...

30年前と今の日本を比較する：税金と実質賃金から見える課題

30年前と今の日本を比較し、平均年収・実質賃金・消費税・社会保険料の推移をデータで解説。

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