# Japan Core Inflation Rate

Japan Core Inflation Rate was up 2.2% year on year in September 2026, compared with 1.7% in August 2026.
The level stood at 102.3 (index 2025=100).
Among the 50 economies Makrognosis covers on this measure, it is the 12th lowest.
Over the past ten years it has ranged from −1.1% (Dec 2020) to 4.0% (Dec 2022), averaging 1.4%.

- Source agency: Statistics Bureau of Japan (e-Stat)
- Makrognosis code: `JP.CPICORE.M.NSA`
- Frequency: monthly
- Units: index 2025=100
- Coverage: 1996-01-01 to 2026-09-01 (369 observations)
- Page: https://makrognosis.robomacro.com/data/japan/core-inflation-rate

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 102.3 | 2.2 |
| August 2026 | 102.0 | 1.7 |
| July 2026 | 102.1 | 1.8 |
| June 2026 | 101.7 | 1.5 |
| May 2026 | 101.6 | 1.5 |
| April 2026 | 101.1 | 1.4 |
| March 2026 | 100.7 | 1.7 |
| February 2026 | 100.2 | 1.5 |
| January 2026 | 100.7 | 0.7 |
| December 2025 | 100.9 | 2.3 |
| November 2025 | 101.1 | 3.0 |
| October 2025 | 100.7 | 3.0 |
| September 2025 | 100.1 | 2.9 |
| August 2025 | 100.3 | 2.7 |
| July 2025 | 100.3 | 3.1 |
| June 2025 | 100.2 | 3.4 |
| May 2025 | 100.1 | 3.6 |
| April 2025 | 99.70 | 3.5 |
| March 2025 | 99.00 | 3.1 |
| February 2025 | 98.70 | 3.0 |
| January 2025 | 100.0 | 3.1 |
| December 2024 | 98.60 | 3.0 |
| November 2024 | 98.20 | 2.6 |
| October 2024 | 97.80 | 2.2 |

## API

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

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/JP.CPICORE.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```