Japan’s monetary base contracted by 13.7% year-on-year in June 2026, marking the steepest decline since March 2007 and accelerating from a 12.2% drop in May. The latest reading also far exceeded market estimates for a 10% fall, driven by a 16.4% decline in current account balances held at the Bank of Japan, while banknotes in circulation fell 1.8% and coins in circulation eased 1.1%. On an average outstanding basis, the monetary base stood at ¥559.2 trillion in June, down from ¥575.8 trillion in the previous month. source: Bank of Japan

Monetary Base YoY in Japan averaged 9.72 percent from 1971 until 2026, reaching an all time high of 55.70 percent in February of 2014 and a record low of -22.30 percent in November of 2006. Japan Monetary Base YoY - data, historical chart, forecasts and calendar of releases - was last updated on July of 2026.



Calendar GMT Reference Actual Previous Consensus TEForecast
2026-06-01 11:50 PM
Monetary Base YoY
-12.2% -11.3% -9.5% -11.5%
2026-07-01 11:50 PM
Monetary Base YoY
-13.7% -12.2% -10% -13.0%
2026-08-03 11:50 PM
Monetary Base YoY
-13.7%


Related Last Previous Unit Reference
Interest Rate 1.00 0.75 percent Jun 2026
Monetary Base 5592039.00 5757634.00 JPY Billion Jun 2026
Money Supply M0 109526.40 110230.80 JPY Billion Jun 2026
Money Supply M1 1096304.40 1103244.50 JPY Billion Jun 2026
Money Supply M2 1296442.60 1298075.50 JPY Billion Jun 2026
Money Supply M3 1640033.10 1641849.50 JPY Billion Jun 2026


Japan Monetary Base YoY
The Monetary Base reflects changes in the total amount of currency in circulation and current account deposits held by financial institutions at the Bank of Japan. An expansion in the monetary base typically stimulates spending and economic activity, which can, in turn, increase inflationary pressures.
Actual Previous Highest Lowest Dates Unit Frequency
-13.70 -12.20 55.70 -22.30 1971 - 2026 percent Monthly
NSA