In March 2025, the highest short-term prime lending rate in Japan was about 2.13 percent per annum. Prime lending rates are interest rates on short-term loans to the most creditworthy clients set by city banks. The prime lending rate serves as the benchmark for variable housing loans rates.

In February 2025, the long-term prime lending rate in Japan was 2.2 percent per annum. The long-term prime lending rate is an interest rate for long-term loans of one year or more to companies with high credit ratings set by Mizuho Bank.

In March 2025, the short-term prime lending rate in Japan was about 1.88 percent per annum. The prime lending rate is the most frequent interest rate charged by the majority of city banks (Mizuho Bank, MUFG Bank, Sumitomo Mitsui Banking Corporation, Resona Bank, and Saitama Resona Bank) on short-term loans to the most creditworthy clients. It serves as the benchmark for variable housing loans rates.