Japan CPI October 2026
October 22 @ 7:30 pm - 8:30 pm
Japan CPI October 2026
Next Japan CPI: Friday, at 8:30 am JST (7:30 pm ET, 12:30 am London). Covers September 2026 data.
- Consensus
- Not yet published
- Prior
- 1.8% core CPI y/y (July 2026)
- Actual
- Pending
Full schedule and background: Japan CPI.
Updated
Japan’s Consumer Price Index (CPI) for September 2026 is scheduled for release on Friday, October 23, 2026, at 8:30 am Japan Standard Time, which is 7:30 pm ET on Thursday, October 22, and 12:30 am London time on Friday, October 23. The data is published by Japan’s Ministry of Internal Affairs and Communications through the Statistics Bureau of Japan. This release covers price changes for September 2026. Full schedule and background: Japan CPI.
What is Japan’s CPI?
The Consumer Price Index tracks the average change over time in the prices paid by households for a fixed basket of goods and services, including food, energy, housing, transport, healthcare and recreation. It is the main gauge of inflation used by the Bank of Japan (BOJ) to judge whether prices are rising too quickly, too slowly, or at a pace consistent with its long-standing 2% inflation target.
Statisticians at the Ministry of Internal Affairs and Communications collect prices from thousands of shops and service providers across the country each month, weight them according to typical household spending patterns, and compare the resulting basket cost with the same period a year earlier. The headline figure includes everything in the basket, while “core CPI” strips out fresh food prices, which are volatile because of weather and seasonal supply swings, but still includes energy. A further measure, sometimes called “core-core” CPI, strips out both fresh food and energy to show underlying price pressure with less noise from oil and utility costs.
Markets watch this release closely because Japan spent decades battling deflation, and any sustained move above or below the Bank of Japan’s 2% target has direct consequences for interest rate policy, the value of the yen, and government bond yields. A stronger-than-expected reading can fuel speculation that the BOJ will raise rates further or trim its bond purchases, while a weaker reading can revive worries about a return to disinflation.
When is the September Japan CPI released?
The September 2026 CPI report is due on Friday, October 23, 2026, at 8:30 am JST (7:30 pm ET on October 22, 12:30 am London time on October 23). It is published on the Statistics Bureau of Japan’s official website. Japan’s statistics office follows a regular monthly schedule, typically releasing national CPI data around the third or fourth Friday of the following month, so this date sits within the usual pattern for the series.
What is the consensus forecast?
At the time of writing, a consensus forecast for the September 2026 reading has not yet been published. Economist surveys from Reuters and Bloomberg for this specific release typically appear closer to the publication date, usually within the final week before the report. The most recent confirmed reading is from July 2026, when core CPI (excluding fresh food) came in at 1.8% year-on-year, matching economists’ expectations at the time, according to CNBC. Headline inflation that month reached 1.9%, the highest level of the year, driven by rising energy costs linked to disruption from the conflict in the Middle East, according to the same report and data compiled by Trading Economics.
| Measure | Prior (July 2026) | Consensus (September 2026) |
|---|---|---|
| Headline CPI (y/y) | 1.9% | Not yet published |
| Core CPI, ex fresh food (y/y) | 1.8% | Not yet published |
What the result could mean
| Scenario | Likely market read | What it means in plain English |
|---|---|---|
| Above consensus | Yen could strengthen and Japanese government bond yields could rise, on speculation the Bank of Japan may lean toward further tightening | Prices are rising faster than expected, which could squeeze household budgets but also increase the odds of higher interest rates on savings |
| In line with consensus | Limited market reaction, as traders’ existing expectations are largely confirmed | Inflation is behaving broadly as anticipated, so the near-term outlook for interest rates and the yen stays largely unchanged |
| Below consensus | Yen could soften and bets on near-term Bank of Japan rate hikes could be pushed back, according to analysts who track BOJ policy signals | Price pressures are easing faster than expected, which could ease the squeeze on households but delay any rise in savings rates |
These are possible market reactions based on how similar releases have been discussed by analysts, not predictions of what will actually happen.
Why does this release matter right now?
The Bank of Japan has been gradually normalising monetary policy after years of ultra-low interest rates and negative rates, ending its negative rate policy in 2024 and continuing to weigh further adjustments since. Inflation readings through mid-2026 have consistently printed above the BOJ’s 2% target on a headline basis, with July’s reading of 1.9% marking the highest level of the year, driven in part by rising energy prices as government subsidies were scaled back and global oil costs climbed due to conflict in the Middle East, according to Trading Economics.
Food prices have also remained a persistent source of upward pressure, running at 3.5% year-on-year in July compared with 3.2% the previous month, alongside firmer readings in transport, household goods and healthcare, according to the same data. Whether this pressure persists into September, cools, or accelerates further will shape how the Bank of Japan approaches its next policy meetings and whether it signals further rate increases. Investors and households alike are watching for signs of whether Japan’s inflation is becoming more broad-based across the economy or remains concentrated in energy and food.
What It Means for Your Money
- Mortgages and loans: If Japanese inflation stays elevated, it raises the chances of further Bank of Japan rate increases, which could push up variable mortgage rates and borrowing costs for households and businesses in Japan.
- Savings: Higher policy rates in Japan could eventually translate into better returns on savings accounts and term deposits, a notable shift after decades of near-zero rates.
- Jobs and wages: Persistent inflation increases pressure on Japanese employers to raise wages to keep pace with the cost of living, a dynamic the Bank of Japan watches closely when setting policy.
- Prices for consumers: Rising food and energy costs directly affect household budgets in Japan, and sustained inflation above target can erode purchasing power if wage growth does not keep up.
- Investments, pensions and currencies: Yen movements tied to this data affect anyone holding Japanese assets, funds with Japan exposure, or currencies like the dollar, euro and pound that trade against the yen. A stronger yen can make Japanese exports costlier and affect global portfolios with Japanese equity or bond holdings, while pension funds with Japan allocations are sensitive to shifts in Japanese government bond yields.
Related events
- Previous release: Japan CPI, September 2026 data (August print)
- Bank of Japan policy decisions, which respond directly to CPI trends
- Japan trade balance and wage growth data, which provide additional context on inflation drivers
Frequently Asked Questions
What time is the Japan CPI report released?
The September 2026 report is released at 8:30 am Japan Standard Time on October 23, 2026, which is 7:30 pm ET the previous evening and 12:30 am London time on the release day.
How should I read the core CPI figure versus the headline figure?
Headline CPI includes all items, while core CPI excludes fresh food, which is volatile due to weather and seasonal supply. Core CPI is generally seen as a steadier gauge of underlying inflation trends.
How does this data affect Bank of Japan interest rate decisions?
The Bank of Japan uses CPI trends, particularly the core measure, to judge whether inflation is sustainably near its 2% target, which influences decisions on interest rates and bond purchases.
Where can I find the official release?
The data is published by the Statistics Bureau of Japan on its official website.
When is the next Japan CPI release?
The next release covers October 2026 data and typically follows within the usual monthly schedule, roughly four weeks after this report.