Encyclopedia of WW3: U.S. Nuclear Weapon Stockpile (1945-2009)

Encyclopedia of WW3
U.S. Nuclear Weapon Stockpile (1945-2009)

(Revised 8 April 2024)

The data on this page comes from three sources, combined into one on this page:

DOE/ES-0005: The United States Nuclear Weapon Program: A Summary History (March 1983)
DOE Facts: Declassification of Certain Characteristics of the United States Nuclear Weapon Stockpile (December 1993)
DOE Fact Sheet: Increasing Transparency in the U.S. Nuclear Weapons Stockpile (3 May 2010)

Early U.S. Nuclear Weapon Stockpile Data Source: The United States Nuclear Weapon Program: A Summary History (DOE, March 1983)
GUN TYPE DEVICES	Fiscal Year
GUN TYPE DEVICES	1945	1946	1947	1948
Nuclear Components (Fissile Cores)	0	0	0	0
Non-Nuclear Components	0	0	0*	2*
IMPLOSION TYPE DEVICES	Fiscal Year
IMPLOSION TYPE DEVICES	1945	1946	1947	1948
Nuclear Components (Fissile Cores)	2	9	13	50
Non-Nuclear Components	2	9	29*	53*
* – Numbers declassified in 1976

US Stockpile Source(s): DOE Facts: Declassification of Certain Characteristics of the United States Nuclear Weapon Stockpile (December 1993) DOE Fact Sheet: Increasing Transparency in the U.S. Nuclear Weapons Stockpile (3 May 2010)
Fiscal Year	Weapons in Inventory	Megatonnage in Inventory	Weapons Built	Weapons Retired	Weapons Disassembled
1945	2	0.04	2	0	0
1946	9	0.18	7	0	0
1947	13	0.26	4	0	0
1948	50	1.25	43	6	0
1949	170	4.19	123	3	0
1950	299	9.53	264	135	0
1951	438	35.25	284	145	0
1952	841	49. 95	644	241	0
1953	1,169	72.80	345	17	0
1954	1,703	339.01	535	1	0
1955	2,422	2,879.99	806	87	0
1956	3,692	9,188.65	1,379	109	0
1957	5,543	17,545.86	2,232	381	0
1958	7,345	17,303.54	2,619	817	0
1959	12,298	19,054.62	7,088	2,135	0
1960	18,638	20,491.17	7,178	838	0
1961	22,229	10,947.71	5,162	1,571	0
1962	25,540	12,825.02	4,529	766	0
1963	28,133	15,977.17	3,185	830	0
1964	29,463	16,943.97	3,493	2,534	0
1965	31,139	15,152.50	3,519	1,936	0
1966	31,175	14,037.46	2,429	2,357	0
1967	31,255	12,786.17	1,693	1,649	0
1968	29,561	11,837.65	536	2,194	0
1969	27,552	11,714.44	684	3,045	0
1970	26,008	9,695.20	219	1,936	0
1971	25,830	8,584.40	1,073	1,347	0
1972	26,516	8,531.51	1,546	1,541	0
1973	27,835	8,452.00	1,171	544	0
1974	28,537	8,325.22	959	807	0
1975	27,519	7,368.38	748	2,240	0
1976	25,914	5,935.51	427	2,181	0
1977	25,542	5,845.0	221	998	0
1978	24,418	5,721.16	50	1,148	0
1979	24,138	5,696.34	170	730	0
1980	24,104	5,618.86	0	904	732
1981	23,208	5,382.91	30	1,887	1,577
1982	22,886	5,358.89	338	1,537	1,535
1983	23,305	5,232.47	217	749	1,120
1984	23,459	5,192.20	187	1,143	994
1985	23,368	5,217.48	195	1,322	1,075
1986	23,317	5,414.54	140	1,224	1,015
1987	23,575	4,882.14	Unknown	958	1,189
1988	23,205	4,789.77	Unknown	1,023	581
1989	22,217	4,743.34	Unknown	1,794	1,208
1990	21,392	4,518.91	Unknown	Unknown	1,154
1991	19,008	3,795.94	Unknown	Unknown	1,595
1992	13,708	3,167.88	Unknown	Unknown	1,856
1993	11,511	2,647.31	Unknown	Unknown	1,556
1994	10,979	2,375.30	Unknown	Unknown	1369
1995	10,904	Unknown	Unknown	Unknown	1,393
1996	11,011	Unknown	Unknown	Unknown	1,064
1997	10,903	Unknown	Unknown	Unknown	498
1998	10,732	Unknown	Unknown	Unknown	1,062
1999	10,685	Unknown	Unknown	Unknown	206
2000	10,577	Unknown	Unknown	Unknown	158
2001	10,526	Unknown	Unknown	Unknown	144
2002	10,457	Unknown	Unknown	Unknown	344
2003	10,027	Unknown	Unknown	Unknown	222
2004	8,570	Unknown	Unknown	Unknown	206
2005	8,360	Unknown	Unknown	Unknown	280
2006	7,853	Unknown	Unknown	Unknown	253
2007	5,709	Unknown	Unknown	Unknown	545
2008	5,273	Unknown	Unknown	Unknown	648
2009	5,113	Unknown	Unknown	Unknown	356

Encyclopedia of WW3U.S. Nuclear Weapon Stockpile (1945-2009)(Revised 8 April 2024)

Early U.S. Nuclear Weapon Stockpile Data

US Stockpile

Encyclopedia of WW3
U.S. Nuclear Weapon Stockpile (1945-2009)

(Revised 8 April 2024)