Makrognosis

Japan Monetary Base, average amounts outstanding

MonthlyNot seasonally adjustedCode JP.MONBASE.M.NSA

Latest (y/y)−13.6%October 2026
Previous (y/y)−15.2%September 2026
Level5,325,717 100 million JPYOctober 2026

Japan Monetary Base, average amounts outstanding was down 13.6% year on year in October 2026, compared with −15.2% in September 2026.

The level stood at 5,325,717 100 million JPY.

Over the past ten years it has ranged from −15.7% (Aug 2026) to 24.3% (Apr 2021), averaging 4.7%.

Japan Monetary Base, average amounts outstanding, annual % change, Jan 1997 – Oct 2026−40%−20%0%20%40%60%200020052010201520202025Robomacro
Japan Monetary Base, average amounts outstanding, annual % change, Jan 1997 – Oct 2026. Source: Bank of Japan.
Japan Monetary Base, average amounts outstanding, level (100 million JPY)0M2M4M6M200020052010201520202025Robomacro
Japan Monetary Base, average amounts outstanding, level (100 million JPY).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

PeriodValueY/Y %
October 20265,325,717 100 million JPY−13.6
September 20265,328,464 100 million JPY−15.2
August 20265,430,070 100 million JPY−15.7
July 20265,549,259 100 million JPY−13.8
June 20265,592,039 100 million JPY−13.7
May 20265,757,634 100 million JPY−12.2
April 20265,829,256 100 million JPY−11.3
March 20265,707,875 100 million JPY−11.6
February 20265,809,326 100 million JPY−10.6
January 20265,894,035 100 million JPY−9.5
December 20255,941,943 100 million JPY−9.8
November 20256,126,869 100 million JPY−8.5
October 20256,165,980 100 million JPY−7.8
September 20256,281,080 100 million JPY−6.2
August 20256,437,775 100 million JPY−4.1
July 20256,438,964 100 million JPY−3.9
June 20256,479,525 100 million JPY−3.5
May 20256,560,120 100 million JPY−3.4
April 20256,569,773 100 million JPY−4.8
March 20256,458,519 100 million JPY−3.1
February 20256,499,369 100 million JPY−1.8
January 20256,511,079 100 million JPY−2.5
December 20246,585,240 100 million JPY−1.0
November 20246,697,481 100 million JPY−0.3

Last 24 observations. The full history (370 observations) is available through the API.

Get Japan Monetary Base, average amounts outstanding in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/JP.MONBASE.M.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/JP.MONBASE.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observationOctober 2026
First observationJanuary 1996
Observations370
FrequencyMonthly
Units100 million JPY
AdjustmentNot seasonally adjusted
10-year high24.3% (Apr 2021)
10-year low−15.7% (Aug 2026)
10-year average4.7%
Source agencyBank of Japan
Makrognosis codeJP.MONBASE.M.NSA

Other Japan indicators

Japan GDP (Gross Domestic Product)Japan Nominal GDP, expenditure side, current prices, SA at annual rate (Cabinet Office QE)Japan CPI: All items (2025=100)Japan Inflation Rate (CPI)Japan Core Inflation RateJapan Unemployment RateJapan Unemployment Rate (not seasonally adjusted)Japan Credit Rating & Sovereign Risk ScoreJapan Industrial ProductionJapan Producer Price Inflation (PPI)Japan Current Account Balance (BoP, monthly)Japan Trade Balance: Goods & ServicesJapan Merchandise Exports, BoP basis (Goods Credit, BPM6)Japan Merchandise Imports, BoP basis (Goods Debit, BPM6)Japan EmploymentJapan M2 Money Stock

FAQ

What is the current monetary Base, average amounts outstanding in Japan?
The latest reading is −13.6% year on year for October 2026, published by Bank of Japan.
Where does this data come from?
It is collected directly from Bank of Japan and is available through the Makrognosis API under the code JP.MONBASE.M.NSA.

Last updated 2026-11-03. Source: Bank of Japan. Original title: “Monetary Base, average amounts outstanding (BOJ)”.