Foreign residents in Japan with variable-rate mortgages or those planning to purchase property should brace for higher borrowing costs, as major Japanese banks have announced significant interest rate increases effective April 2026. According to NHK, four of Japan's five major banks have raised variable housing loan rates, with some institutions pushing their rates above the psychologically significant 1% threshold for the first time in years. The rate adjustments, announced on March 31, 2026, represent a substantial shift in Japan's historically low-interest-rate environment. Yahoo Japan Business reports that three major banks—likely including Mitsubishi UFJ Bank, Sumitomo Mitsui Banking Corporation, and Mizuho Bank—have moved their variable rates beyond 1%, marking a notable departure from the ultra-low rates that have characterized Japan's housing market for over a decade. These increases specifically target new borrowers seeking variable-rate mortgages, which have been the preferred choice for many homebuyers due to their traditionally lower initial rates compared to fixed-rate products. The timing of these adjustments coincides with broader monetary policy shifts by the Bank of Japan, which has been gradually moving away from its long-standing negative interest rate policy. For expats currently holding variable-rate mortgages, the immediate impact depends on the terms of their existing loans. Most Japanese variable-rate mortgages include clauses allowing banks to adjust rates based on market conditions, though many institutions implement changes gradually rather than immediately passing on the full increase. Borrowers should carefully review their loan agreements to understand how and when rate changes will affect their monthly payments. The practical implications for foreign residents are significant. A homeowner with a ¥30 million mortgage could see monthly payments increase by several thousand yen for each 0.1% rate increase. Over the life of a typical 35-year mortgage, even seemingly small rate adjustments can translate to hundreds of thousands of yen in additional interest payments. This makes budgeting and financial planning more challenging, particularly for expats who may already face currency exchange uncertainties if they receive income in foreign currencies. Prospective homebuyers face a more complex decision-making environment. While variable rates have historically been lower than fixed rates, the narrowing gap between the two options may prompt some borrowers to reconsider fixed-rate mortgages for the stability they offer. According to NHK, the rate increases apply to the most preferential lending rates, meaning borrowers with less-than-ideal credit profiles or smaller down payments may face even higher rates. Financial experts recommend that foreign residents take several steps in response to these changes. First, those with existing variable-rate loans should contact their banks to understand exactly when and how rate increases will affect their payments. Second, homeowners should review their budgets to ensure they can accommodate higher monthly payments without financial strain. Third, prospective buyers should compare current variable and fixed-rate offerings more carefully than before, as the traditional advantage of variable rates has diminished. For expats who may not remain in Japan indefinitely, the decision becomes more nuanced. Those planning to stay for only a few more years might still benefit from variable rates despite the increases, while those settling long-term might find greater peace of mind in fixed-rate products that protect against further increases. The rate adjustments also reflect Japan's evolving economic landscape. After decades of deflation and stagnant growth, the country is experiencing inflationary pressures and wage growth, prompting the Bank of Japan to normalize monetary policy gradually. Foreign residents should anticipate that borrowing costs may continue rising in the coming months and years, making the current rate environment potentially more favorable than what lies ahead. Anyone considering a home purchase in Japan should act with careful consideration of both current rates and future trends, consulting with financial advisors who understand the unique circumstances of foreign residents navigating Japan's housing market.