The M2 money stock in Japan was up 3.4 percent on year in January, the Bank of Japan said on Tuesday - standing at 895.4 trillion yen.
That was below forecasts for an increase of 3.6 percent, which would have been unchanged from the December reading.
The M3 money stock added an annual 2.8 percent to 1,211.1 trillion yen - also shy of expectations for a gain of 2.9 percent, which would have been unchanged from the previous month.
The L money stock added 3.4 percent on year to 1,591.4 trillion yen, slowing from the 3.5 percent gain a month earlier.
For comments and feedback: editorial@rttnews.com