Makrognosis

Japan Excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding)

MonthlyNot seasonally adjustedCode JP.EXCESSRES.M.NSA

Latest3,673,820 100M JPYSeptember 2026
Previous3,737,760 100M JPYAugust 2026
Year ago4,398,049 100M JPYSeptember 2025
Next release19 Nov 2026expected

Japan Excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding) was 3,673,820 100M JPY in September 2026, down 1.7% from August 2026 and down 16.5% from a year earlier.

That is the lowest reading since May 2020.

Over the past ten years it has ranged from 2,702,158 100M JPY (Sep 2016) to 4,820,704 100M JPY (Apr 2024), averaging 3,975,995 100M JPY.

The next update is expected on 19 November 2026.

Japan Excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding) (100M JPY), Jan 2005 – Sep 20260M1M2M3M4M5M20052010201520202025Robomacro
Japan Excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding) (100M JPY), Jan 2005 – Sep 2026. Source: Bank of Japan.

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

Recent data

PeriodValue
September 20263,673,820 100M JPY
August 20263,737,760 100M JPY
July 20263,827,658 100M JPY
June 20263,919,720 100M JPY
May 20264,005,833 100M JPY
April 20264,145,945 100M JPY
March 20264,030,551 100M JPY
February 20264,057,972 100M JPY
January 20264,115,493 100M JPY
December 20254,160,285 100M JPY
November 20254,277,779 100M JPY
October 20254,388,721 100M JPY
September 20254,398,049 100M JPY
August 20254,603,962 100M JPY
July 20254,612,131 100M JPY
June 20254,651,987 100M JPY
May 20254,655,694 100M JPY
April 20254,742,419 100M JPY
March 20254,622,925 100M JPY
February 20254,640,427 100M JPY
January 20254,578,548 100M JPY
December 20244,657,304 100M JPY
November 20244,693,800 100M JPY
October 20244,778,285 100M JPY

Last 24 observations. The full history (261 observations) is available through the API.

Get Japan Excess Reserves at the BOJ, reserve-requirement institutions (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.EXCESSRES.M.NSA"

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

About this series

Latest observationSeptember 2026
First observationJanuary 2005
Observations261
FrequencyMonthly
Units100M JPY
AdjustmentNot seasonally adjusted
10-year high4,820,704 100M JPY (Apr 2024)
10-year low2,702,158 100M JPY (Sep 2016)
10-year average3,975,995 100M JPY
Source agencyBank of Japan
Makrognosis codeJP.EXCESSRES.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 excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding) in Japan?
The latest reading is 3,673,820 100M JPY for September 2026, published by Bank of Japan.
When is the next Japan excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding) release?
The next update is expected on 19 November 2026.
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.EXCESSRES.M.NSA.

Last updated 2026-10-20. Source: Bank of Japan. Original title: “Japan: Excess Reserves at the BOJ, reserve-requirement institutions (average amounts outstanding)”.