Japan Monetary Base and BOJ Operations

Name: Japan Monetary Base and BOJ Operations
Creator: Bank of Japan – Time-Series Data Search
License: https://creativecommons.org/licenses/by/4.0/

Stock and flow tables linking the monetary base to the Bank of Japan's asset purchases, lending and other transactions. 49 series.

Source: Bank of Japan – Time-Series Data SearchLast updated: Sep 22, 2026, 13:19Curated by Bui Thanh PhucAbout this data ↓

Indicator	08-2026	07-2026	06-2026	05-2026	04-2026	03-2026	02-2026	01-2026	12-2025	11-2025	10-2025	09-2025	08-2025	07-2025	06-2025	05-2025	04-2025	03-2025	02-2025	01-2025	12-2024	11-2024	10-2024	09-2024	08-2024	07-2024	06-2024	05-2024	04-2024	03-2024	02-2024	01-2024	12-2023	11-2023	10-2023	09-2023	08-2023
(1) Stock Table (End of Month)37
Japanese Government Bonds (JGBs)(a)	5,199,277	5,193,819	5,183,424	5,331,356	5,319,489	5,308,696	5,466,800	5,455,827	5,443,951	5,580,905	5,564,553	5,550,509	5,699,455	5,671,954	5,658,083	5,790,298	5,765,767	5,742,276	5,868,077	5,838,453	5,804,077	5,902,405	5,869,342	5,829,911	5,934,871	5,898,363	5,848,044	5,928,146	5,897,421	5,856,168	5,967,164	5,929,817	5,884,102	5,975,472	5,922,762	5,846,108	5,936,734
Japanese Government Bonds (JGBs) / Outright Purchases(b)	5,199,277	5,193,819	5,183,424	5,331,356	5,319,489	5,308,696	5,466,800	5,455,827	5,443,951	5,580,905	5,564,553	5,550,509	5,699,455	5,671,954	5,658,083	5,790,298	5,765,767	5,742,276	5,868,077	5,838,453	5,804,077	5,902,405	5,869,342	5,829,911	5,934,871	5,898,363	5,848,044	5,928,146	5,897,421	5,856,168	5,967,164	5,929,817	5,884,102	5,975,472	5,922,762	5,846,108	5,936,734
Japanese Government Bonds (JGBs) / Other JGB Transactions(c)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Sales of JGBs to the Government under Repurchase Agreements(-)(e)	-373,738	-224,951	-179,275	-341,959	-119,438	-175,843	-358,260	-275,544	-90,393	-245,080	-163,266	-106,414	-193,386	-122,936	-86,880	-206,126	-95,143	-119,764	-333,149	-271,637	-103,989	-247,362	-216,995	-198,185	-332,508	-297,022	-156,175	-270,884	-97,638	0	0	0	0	0	0	0	0
Treasury Discount Bills(g)	0	0	0	0	0	0	0	0	0	17,033	17,033	17,067	17,033	17,033	17,033	17,033	17,033	17,033	17,000	17,000	19,550	23,547	23,985	24,628	26,716	29,605	36,926	38,980	40,159	40,467	40,532	39,154	38,594	25,175	25,766	22,674	27,545
Treasury Discount Bills / Underwriting(h)	0	0	0	0	0	0	0	0	0	17,082	17,082	17,082	17,082	17,082	17,082	17,082	17,082	17,082	17,082	17,082	17,082	19,999	19,999	19,999	19,999	19,999	19,999	19,999	19,999	19,999	19,999	19,999	19,999	0	0	0	0
Treasury Discount Bills / Outright Purchases(i)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2,551	3,548	3,986	4,629	6,718	9,607	16,931	18,988	20,167	20,475	20,532	19,155	18,594	25,177	25,769	22,683	27,552
Treasury Discount Bills / Outright Sales(-)(j)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Treasury Discount Bills / Net Outright Sales to the Government(-)(k)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Purchases of Japanese Government Securities (JGSs) under Repurchase Agreements(p)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Sales of JGSs under Repurchase Agreements(-)(q)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Funds-Supplying Operations against Pooled Collateral(G)	78,040	78,038	78,044	78,043	78,038	78,046	78,040	78,040	78,038	78,041	78,045	78,038	78,040	78,044	78,044	78,040	78,038	78,047	78,044	78,041	169,261	169,261	169,263	169,262	169,262	169,263	169,261	168,415	168,276	184,725	168,378	169,708	173,878	167,616	168,317	149,757	140,073
Funds-Supplying Operations against Pooled Collateral / Fixed-rate method	8,005	8,003	8,009	8,008	8,003	8,011	8,005	8,005	8,003	8,006	8,010	8,003	8,005	8,009	8,009	8,005	8,003	8,012	8,009	8,006	99,226	99,226	99,228	99,227	99,227	99,228	99,226	98,380	98,241	114,690	98,343	99,673	103,843	97,581	98,282	99,731	100,052
Purchases of CP under Repurchase Agreements(t)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Outright Sales of Bills Drawn by the Bank of Japan(-)(u)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Funds-Supplying Operation to Support Financial Institutions in Disaster Areas(aa)	117	130	130	130	130	130	130	130	130	130	187	187	187	336	336	336	517	517	517	863	863	863	899	899	899	1,001	1,001	1,001	1,001	1,001	1,001	1,001	1,001	1,001	1,001	1,001	1,001
Climate Response Financing Operations(ab)	249,361	249,361	211,146	211,146	211,146	211,146	211,146	211,146	171,298	171,298	171,298	171,298	171,298	171,298	142,065	142,065	142,065	142,065	142,065	142,065	119,626	119,626	119,626	119,626	119,626	119,626	81,663	81,663	81,663	81,663	81,666	81,666	62,648	62,648	62,648	62,648	62,648
Loan Support Program	391,059	391,059	391,059	487,887	487,887	487,887	545,742	545,742	545,742	588,566	588,566	588,566	725,255	725,255	725,255	747,497	747,497	747,497	795,493	795,493	795,493	809,380	809,380	809,380	817,722	817,722	817,722	811,690	811,690	811,690	760,948	761,254	761,254	741,902	741,902	741,902	726,995
Loan Support Program / Fund-Provisioning Measure to Stimulate Bank Lending(W)	391,059	391,059	391,059	485,331	485,331	485,331	535,328	535,328	535,328	575,775	575,775	575,775	710,030	710,030	710,030	730,190	730,190	730,190	771,475	771,475	771,475	783,814	783,814	783,814	790,646	790,646	790,646	782,979	782,979	782,979	730,359	730,665	730,665	702,255	702,255	702,255	683,578
Corporate Bonds(K)	13,577	14,396	16,301	18,979	19,904	21,932	24,138	25,841	27,181	31,994	33,044	34,922	36,944	37,718	41,385	45,491	46,042	48,537	49,312	49,970	50,957	53,411	53,521	55,000	57,158	57,044	58,236	59,002	59,050	60,727	61,098	60,654	60,416	63,362	64,439	67,318	70,161
Pecuniary Trusts (Index-Linked Exchange-Traded Funds [ETFs] Held as Trust Property)(L)	369,835	370,099	370,404	370,700	370,936	371,215	371,553	371,808	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,862	371,161	371,161
Pecuniary Trusts (Japan Real Estate Investment Trusts [J-REITs] Held as Trust Property)(M)	6,510	6,516	6,522	6,527	6,533	6,649	6,543	6,548	6,549	6,549	6,550	6,659	6,550	6,552	6,553	6,553	6,554	6,658	6,554	6,556	6,556	6,556	6,557	6,574	6,558	6,560	6,560	6,560	6,561	6,659	6,561	6,563	6,563	6,563	6,565	6,663	6,565
Loans and Discounts	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	2	2	2	2	2	2
Loans and Discounts / Loans Pursuant to Article 33 of the Bank of Japan Act(w)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Loans and Discounts / Loans Pursuant to Article 38 of the Bank of Japan Act(x)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Loans and Discounts / Loans to the Deposit Insurance Corporation (DIC) and Others(y)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Loans and Discounts / Loans to the Deposit Insurance Corporation (DIC) and Others / Loans to the Deposit Insurance Corporation (DIC) (z)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Securities Lending as a Secondary Source of JGSs (-)(A)	-438	-506	-578	-21	-1,495	-4,005	-3,623	-2,549	-1,707	-1,316	-1,598	-2,099	-813	-5,762	-1,667	-692	-6,876	-8,541	-12,918	-5,141	-8,001	-4,654	-7,919	-14,674	-16,035	-23,189	-25,418	-27,785	-38,869	-42,586	-36,726	-36,237	-41,783	-39,925	-52,950	-48,394	-28,412
Securities Lending to Provide JGSs as Collateral for the U.S. Dollar Funds-Supplying Operations (-)(Y)	-3	0	0	0	0	0	0	0	0	-2	0	0	0	0	0	0	0	0	0	-4	0	-2	-2	0	0	-2	0	0	0	0	-2	-2	0	-2	0	0	0
Deposits of the Government(-)(C)	-92,555	-73,350	-27,747	-51,701	-21,271	-21,549	-44,469	-26,775	-51,315	-40,798	-26,190	-24,006	-31,083	-90,986	-21,302	-66,545	-25,723	-39,381	-24,297	-31,562	-63,024	-48,469	-32,116	-36,023	-45,264	-79,461	-75,330	-113,323	-25,202	-157,103	-387,430	-286,550	-169,089	-279,511	-178,985	-153,539	-259,091
Others(D)	-403,392	-428,895	-449,583	-392,314	-443,130	-477,640	-471,216	-489,037	-539,788	-475,362	-450,442	-457,247	-430,749	-403,659	-428,239	-392,010	-392,607	-459,939	-420,714	-473,813	-575,782	-495,232	-460,582	-423,823	-384,036	-363,290	-402,481	-320,667	-338,664	-371,221	-417,526	-424,795	-443,804	-424,750	-386,782	-366,212	-341,504
Monetary Base	5,437,652	5,575,718	5,599,849	5,718,775	5,908,731	5,806,666	5,826,526	5,901,179	5,961,849	6,084,669	6,191,673	6,233,317	6,455,925	6,463,124	6,509,737	6,541,951	6,664,074	6,537,642	6,552,881	6,534,411	6,602,805	6,678,511	6,726,995	6,734,537	6,748,609	6,731,086	6,753,850	6,757,102	6,962,531	6,867,871	6,645,586	6,700,767	6,730,470	6,698,450	6,772,899	6,726,056	6,744,170
Banknotes in Circulation	1,148,673	1,149,807	1,150,318	1,151,800	1,168,372	1,163,156	1,169,343	1,173,662	1,206,061	1,168,180	1,168,498	1,166,246	1,173,184	1,172,416	1,172,196	1,172,896	1,185,940	1,186,686	1,193,680	1,203,152	1,240,779	1,200,395	1,196,560	1,193,372	1,197,292	1,199,337	1,189,098	1,194,695	1,211,915	1,208,799	1,212,928	1,216,362	1,246,080	1,210,338	1,208,339	1,206,495	1,211,669
Coins in Circulation	45,759	45,789	45,886	45,990	46,058	46,077	46,176	46,288	46,343	46,228	46,239	46,303	46,346	46,333	46,397	46,503	46,575	46,630	46,739	46,847	46,927	46,848	46,889	46,958	46,981	47,000	47,038	47,163	47,245	47,252	47,370	47,527	47,605	47,530	47,539	47,633	47,682
Current Account Balances(E)	4,243,220	4,380,122	4,403,645	4,520,985	4,694,301	4,597,433	4,611,007	4,681,229	4,709,445	4,870,261	4,976,936	5,020,768	5,236,395	5,244,375	5,291,144	5,322,552	5,431,559	5,304,326	5,312,462	5,284,412	5,315,099	5,431,268	5,483,546	5,494,207	5,504,336	5,484,749	5,517,714	5,515,244	5,703,371	5,611,820	5,385,288	5,436,878	5,436,785	5,440,582	5,517,021	5,471,928	5,484,819
Current Account Balances / Reserve Balances (F)	3,905,362	4,028,129	4,072,435	4,216,365	4,346,010	4,210,409	4,247,068	4,298,428	4,289,653	4,485,472	4,532,237	4,549,628	4,767,790	4,746,492	4,800,648	4,822,484	4,889,073	4,779,631	4,814,361	4,744,466	4,811,988	4,867,488	4,912,510	4,950,999	4,911,395	4,896,525	4,905,260	4,848,001	5,021,726	4,942,813	4,696,798	4,728,044	4,736,098	4,722,271	4,803,443	4,799,347	4,764,564
(Discontinued) Stock Table / Loan Support Program / Fund-Provisioning Measure to Support Strengthening the Foundations for Economic Growth(through June 2026)(I)			0	2,556	2,556	2,556	10,414	10,414	10,414	12,791	12,791	12,791	15,225	15,225	15,225	17,307	17,307	17,307	24,018	24,018	24,018	25,566	25,566	25,566	27,076	27,076	27,076	28,711	28,711	28,711	30,589	30,589	30,589	39,647	39,647	39,647	43,417
(2) Flow Table (During Month)10
Japanese Government Bonds (JGBs)(a)	5,458	10,395	-147,932	11,867	10,793	-158,104	10,973	11,876	-136,954	16,352	14,044	-148,946	27,501	13,871	-132,215	24,531	23,491	-125,801	29,624	34,376	-98,328	33,063	39,431	-104,960	36,508	50,319	-80,102	30,725	41,253	-110,996	37,347	45,715	-91,370	52,710	76,654	-90,626	66,130
Japanese Government Bonds (JGBs) / Outright Purchases(b)	23,212	23,386	25,234	24,975	25,699	27,440	27,789	27,321	30,839	31,731	32,097	35,444	36,053	36,212	40,513	39,952	39,507	43,370	43,838	43,847	48,574	48,365	48,782	53,400	52,630	63,737	60,536	45,290	58,446	59,289	59,477	59,486	63,750	73,925	92,705	74,748	81,863
Japanese Government Bonds (JGBs) / Other JGB Transactions(c)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Japanese Government Bonds (JGBs) / Redemptions(-)(d)	-17,754	-12,991	-173,166	-13,108	-14,906	-185,544	-16,816	-15,445	-167,793	-15,379	-18,053	-184,390	-8,552	-22,341	-172,728	-15,421	-16,016	-169,171	-14,214	-9,471	-146,902	-15,302	-9,351	-158,360	-16,122	-13,418	-140,638	-14,565	-17,193	-170,285	-22,130	-13,771	-155,120	-21,215	-16,051	-165,374	-15,733
Treasury Discount Bills(a)	0	0	0	0	0	0	0	0	-17,033	0	-34	34	0	0	0	0	0	33	0	-2,550	-3,997	-438	-643	-2,088	-2,889	-7,321	-2,054	-1,179	-308	-65	1,378	560	13,419	-591	3,092	-4,871	-654
Treasury Discount Bills / Underwriting(h)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	17,082	0	0	0	0	0	0	0	0	0	0	0	19,999	0	0	0	0
Treasury Discount Bills / Outright Purchases (i)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2,003	4,001	2,001	2,002	3,001	4,008	4,005	5,011
Treasury Discount Bills / Outright Sales (-) (j)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Treasury Discount Bills / Net Outright Sales to the Government(-)(k)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Treasury Discount Bills / Redemptions(-)(m)	0	0	0	0	0	0	0	0	-17,033	0	-34	34	0	0	0	0	0	33	0	-2,550	-21,079	-438	-643	-2,088	-2,889	-7,321	-2,054	-1,179	-308	-2,068	-2,623	-1,441	-8,582	-3,592	-916	-8,876	-5,665

Latest reading

Japanese Government Bonds (JGBs)(a) stood at 5,199,277 100 million yen in Aug 2026. That is +0.1% from Jul 2026 and −8.8% from a year earlier. The series on this page is monthly and runs from Jul 1996 to Aug 2026. Source: Bank of Japan – Time-Series Data Search.

Latest: 5,199,277 100 million yen; Aug 2026
vs previous period: +0.1%; Jul 2026
vs a year earlier: −8.8%

About this data

Stock and flow tables linking the monetary base to the Bank of Japan's asset purchases, lending and other transactions. 49 series. Source: Bank of Japan, Time-Series Data Search.