What changed
Official quarterly totals, newest first · Ministry of Finance Japan · published once a quarter, about six weeks after each quarter-endJapan government debt
Ministry of Finance Japan · official as of Jun 30, 2026 · projected at the past 12 months' pace between quarterly figuresJapan central government debt (total)
Ministry of Finance Japan, Central Government Debt (government bonds, borrowings, financing bills), quarterly table, 100 million yen · official, Jun 30, 2026 · fixedPer person
Statistics Bureau of Japan, Population Estimates, total population at 1 October 2025 (provisional) · Oct 1, 2025History
Fixed official figures · Ministry of Finance Japan · these do not tickDetails
Full official tablesJapan central government debt (total): ¥1,346,683,300,000,000
Official, quarter-end Jun 30, 2026 · Ministry of Finance Japan, Central Government Debt (government bonds, borrowings, financing bills), quarterly table, 100 million yen (Quarterly pages e{YYYYMM}.html under https://www.mof.go.jp/english/policy/jgbs/reference/gbb/, table 1 row Total (e.g. e202606.html))
| Part | Amount |
|---|---|
| Bonds, loans and bills | |
| Government bonds | ¥1,211,746,600,000,000 |
| Borrowings | ¥40,537,400,000,000 |
| Financing bills | ¥94,399,400,000,000 |
| Total | ¥1,346,683,300,000,000 |
Government bonds, borrowings and financing bills of the central government, at the end of the quarter. Government-guaranteed debts are not included.
By quarter (official)
| Quarter-end | Central government debt | Combined | Change |
|---|---|---|---|
| Jun 30, 2026 | ¥1,346,683,300,000,000 | ¥1,346,683,300,000,000 | +¥2.84T |
| Mar 31, 2026 | ¥1,343,842,600,000,000 | ¥1,343,842,600,000,000 | +¥1.67T |
| Dec 31, 2025 | ¥1,342,172,000,000,000 | ¥1,342,172,000,000,000 | +¥8.58T |
| Sep 30, 2025 | ¥1,333,591,400,000,000 | ¥1,333,591,400,000,000 | +¥1.40T |
| Jun 30, 2025 | ¥1,332,187,200,000,000 | ¥1,332,187,200,000,000 | +¥8.47T |
| Mar 31, 2025 | ¥1,323,715,500,000,000 | ¥1,323,715,500,000,000 | +¥6.08T |
| Dec 31, 2024 | ¥1,317,636,500,000,000 | ¥1,317,636,500,000,000 | +¥7.20T |
| Sep 30, 2024 | ¥1,310,438,500,000,000 | ¥1,310,438,500,000,000 | −¥603.60B |
| Jun 30, 2024 | ¥1,311,042,100,000,000 | ¥1,311,042,100,000,000 | — |
How it works
Official quarterly figures · projection labelled · sources linkedThe live number = latest official total + (the official change per second over the past 12 months × seconds since that total). Japan publishes its debt once a quarter, not daily, so this is a projection between quarterly figures, not an official figure.
projected = 1,346,683,300,000,000 + 459,668.3156 × (seconds since Jun 30, 2026 11:59:59 PM CT)
The rate is the official change from Jun 30, 2025 to Jun 30, 2026: ¥1,346,683,300,000,000 − ¥1,332,187,200,000,000 = ¥14,496,100,000,000 over 365 days = ¥459,668.32 per second. We use the latest four quarters rather than the last quarter because quarter-to-quarter changes swing with the issuance calendar and short-term bill rollovers. The actual path is lumpy (bonds are sold in batches and repaid on schedules), so the projection will drift; when new quarterly figures come out, the clock re-bases to the new official figures.
How often it's published. Quarterly. The Ministry of Finance publishes each quarter-end figure about six weeks after the quarter ends. The September 2026 quarter-end figure is expected from the Ministry of Finance roughly six weeks after the quarter ends; this page re-bases to it automatically on the next daily build after it appears.
Per person divides by the Statistics Bureau's estimate of 123,210,000 people on Oct 1, 2025. It is not projected forward, so the live per-person figure rises only with the debt.
Note. Why this measure: the US clock ticks the Treasury's gross debt. The Ministry of Finance's Central Government Debt total is the Japanese equivalent: everything the central government has issued or borrowed and not repaid, including bonds held by the Bank of Japan.
Note. Net position: this is gross debt. It is not net of the government's financial assets, so it is not comparable with net-debt figures published by international organisations.
Note. Reporting date: the Ministry of Finance publishes the figures for the end of March, June, September and December.
Note. Figures from source tables may not add exactly because of rounding in the source.
Sources: Ministry of Finance Japan, Central Government Debt (government bonds, borrowings, financing bills), quarterly table, 100 million yen · Statistics Bureau of Japan, Population Estimates, total population at 1 October 2025 (provisional) · Ministry of Finance Japan, Japanese Government Bonds (statistics and data) · Ministry of Finance Japan, Debt Management Report
Page built Oct 30, 2026 9:30 AM CT from the official figures above.