site.btaCentral Bank Reduces Base Interest Rate for August to 1.82%

As of August 1, 2025, the base interest rate (simple per annum interest) in Bulgaria will drop to 1.82%, the Bulgarian National Bank said here on Thursday. It is 0.09 percentage points down from the previous month, when it stood at 1.91%. The base interest rate has gone down for the eleventh month in a row. 

The peak in the increase in the base interest rate in recent years was 3.80%, reached in late 2023 and repeated in March of 2024. The base interest rate in Bulgaria remained at zero for many years, but at the end of September 2022, a series of increases began.