Japan Sovereign Bond Yields
JP ·Japanese Government Bonds ·JPY ·Asia-Pacific ·18 maturities
Delayed reference yields for Japanese Government Bonds (2Y, 10Y, 30Y, and more). Latest / live yield requires API access.
Yields as of May 27, 2026 (previous month-end close — not live). Latest / live yield requires API access. · 2Y–10Y spread: 132.1 bps
Japan yield curve
All maturities for JP| Maturity | Yield (delayed) | Latest (API) |
|---|---|---|
| 1M | 0.821% | Unlock |
| 3M | 0.855% | Unlock |
| 6M | 0.945% | Unlock |
| 9M | 1.052% | Unlock |
| 1Y | 1.113% | Unlock |
| 2Y bench | 1.377% | Unlock |
| 3Y | 1.596% | Unlock |
| 4Y | 1.825% | Unlock |
| 5Y | 1.940% | Unlock |
| 6Y | 2.239% | Unlock |
| 7Y | 2.411% | Unlock |
| 8Y | 2.531% | Unlock |
| 9Y | 2.666% | Unlock |
| 10Y bench | 2.698% | Unlock |
| 15Y | 3.952% | Unlock |
| 20Y | 3.605% | Unlock |
| 30Y bench | 3.927% | Unlock |
| 40Y | 4.069% | Unlock |
Latest / live yield requires API access
This page shows delayed month-end reference data only. Get an API key for current JP JGBs yields, spreads, and history.
What are Japan sovereign bonds?
JGBs dominate Japan’s fixed-income market. Ultra-long tenors (including 40Y) and Bank of Japan policy make the curve uniquely important in Asia. On Bonds API, ISO code JP identifies Japanese Government Bonds across available maturities.
This public page lists delayed reference yields as of May 27, 2026 (previous month-end close or the nearest prior trading day). The JP 10Y reference yield on that date was 2.70%. The 2Y–10Y spread was 132.1 basis points. Latest / live yield requires API access.
Developers use Bonds API to pull Japan yields into risk systems, dashboards, and research workflows via REST JSON endpoints such as /latest, /curve, and /historical — with currency context JPY and policy backdrop from the Bank of Japan. Available tenors on the delayed curve include 1M, 3M, 6M, 9M, 1Y, 2Y, 3Y, 4Y, 5Y, 6Y, 7Y, 8Y, 9Y, 10Y, 15Y, 20Y, 30Y, 40Y.
- Market
- Japanese Government Bonds
- Currency
- JPY
- Central bank
- Bank of Japan
- Also known as
- JGB yields, Japanese government bonds
API examples for JP
Use these endpoints to query Japanese Government Bonds with country=JP.
GET /latest
Docs →Most recent Japan bond yields.
curl "https://bonds-api.com/api/v1/latest?countries=JP&api_key=YOUR_API_KEY"
GET /curve
Docs →Full sovereign yield curve for JP.
curl "https://bonds-api.com/api/v1/curve?country=JP&api_key=YOUR_API_KEY"
GET /historical
Docs →Yield for a specific maturity and date.
curl "https://bonds-api.com/api/v1/historical?country=JP&maturity=10Y&date=2025-06-15&api_key=YOUR_API_KEY"