Foreign residents with mortgages in Japan are facing a significant shift in the country's financial landscape as long-term interest rates have climbed to levels not seen in nearly three decades, prompting major banks to raise variable mortgage rates for the first time in years. According to NHK, Japan's long-term interest rate—measured by the yield on 10-year government bonds—rose to 2.955% on September 1st, marking the highest level since October 1996, approximately 29 years and 11 months ago. This dramatic increase signals a fundamental change in Japan's economic environment after decades of ultra-low interest rates that many expats have become accustomed to since arriving in the country. The rising rates have immediate practical implications for homeowners and prospective buyers. As reported by NHK on August 31st, two of Japan's largest financial institutions—Mitsubishi UFJ Bank and Sumitomo Mitsui Banking Corporation—announced they will raise variable mortgage rates starting in September 2026. Significantly, even the most preferential rates offered by these banks will now exceed 1%, a psychological threshold that marks a clear departure from the near-zero interest rate environment that has characterized Japan's economy for years. For expats with existing variable-rate mortgages, this means monthly payments are likely to increase. Variable-rate mortgages, which have been popular among foreign residents due to their historically low rates, adjust periodically based on market conditions. Unlike fixed-rate mortgages, borrowers with variable rates will see their payments rise as banks pass along the increased costs of borrowing. The timing of these changes is particularly important for expats planning to purchase property in Japan. Those who have been considering buying a home may want to carefully evaluate whether to lock in a fixed rate now or accept a variable rate that could continue rising if long-term interest rates keep climbing. Financial advisors generally recommend that borrowers consider their long-term plans in Japan, income stability, and risk tolerance when choosing between fixed and variable mortgage products. The increase in long-term interest rates reflects broader changes in Japan's monetary policy. After years of aggressive stimulus measures designed to combat deflation, the Bank of Japan has been gradually normalizing its policies as inflation has returned to the economy. This normalization process affects not only mortgage rates but also savings accounts, investment products, and the overall cost of borrowing for businesses and consumers. For expats sending money overseas or receiving income from abroad, the rising interest rates may also impact currency exchange rates. Higher Japanese interest rates can strengthen the yen against other currencies, affecting the purchasing power of foreign income and the cost of remittances. Experts suggest that foreign residents review their current mortgage arrangements and overall financial plans in light of these changes. Those with variable-rate mortgages should budget for higher monthly payments and consider whether refinancing to a fixed rate makes sense for their situation. Additionally, expats planning to purchase property should factor these higher borrowing costs into their affordability calculations. The shift to a higher interest rate environment represents a significant milestone in Japan's economic evolution. For the expat community, many of whom have only experienced Japan's ultra-low rate environment, understanding and adapting to these changes will be crucial for maintaining financial stability and making informed decisions about major purchases like real estate.