Top ten Largest Nuclear Weapons Countries in year 2013

RANK	COUNTRY	Estimated Warheads	First Test	Recent Test	Total Test
1	Russia	8500	1949	1990	715
2	United States	7700	1945	1992	1054
3	France	300	1960	1996	210
4	China	250	1964	1996	45
5	United Kingdom	225	1952	1991	45
6	Pakistan	100-120	1998	1998	6
7	India	90-110	1974	1998	6
8	Israel	80	NA	NA	NA
9	North Korea	10	2006	2013	3
10	Iran	NA	NA	NA	NA

SOURCE : Federation of American Scientists and CIA World Factbook

Top 10 Countries With the Largest Nuclear Weapons video

Country	Warheads (Active/Total)	Date of first test
The five nuclear-weapon states under the NPT
United States	2,104 / 7,315	16 July 1945 ("Trinity")
Russia	1,600 / 8,000	29 August 1949 ("RDS-1")
United Kingdom	160 / 225	3 October 1952 ("Hurricane")
France	290 / 300	13 February 1960 ("Gerboise Bleue")
China	n.a. / 250	16 October 1964 ("596")

Country	Warheads (Active/Total)	Date of first test
Non-NPT nuclear powers
India	n.a. / 90–110	18 May 1974 ("Smiling Buddha")
Pakistan	n.a. / 100–120	28 May 1998 ("Chagai-I")
North Korea	n.a. / <10	9. October 2006

Country	Warheads (Active/Total)	Date of first test
Undeclared nuclear powers
Israel	n.a. / Suspected 80	Unknown (suspected 22 September 1979)

Last updated Date - September 24, 2014