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Arms industry

The arms industry, also known as the defence (or defense) industry, military industry, or the arms trade, is a global industry which manufactures and sells weapons and military technology. Public sector and private sector firms conduct research and development, engineering, production, and servicing of military material, equipment, and facilities. Customers are the armed forces of states, and civilians. An arsenal is a place where arms and ammunition – whether privately or publicly owned – are made, maintained and repaired, stored, or issued, in any combination. Products of the arms industry include weapons, munitions, weapons platforms, military communications and other electronics, and more. The arms industry also provides other logistical and operational support.

In 2022, Stockholm International Peace Research Institute (SIPRI) estimated global military expenditure at $2.24 trillion, the highest level ever recorded by SIPRI. Global spending grew by 19 per cent over the decade 2013–22 and has risen every year since 2015.[1] The combined arms-sales of the top 100 largest arms-producing companies and military services companies totaled $597 billion in 2022, according to SIPRI.[2] According to the institute, the five largest arms exporters in 2018–22 were the United States, Russia, France, China and Germany. Together, they supplied 76% of the world's arms exports in 2018–22.[3]


Many industrialized countries have a domestic arms industry to supply their own military forces. Some countries also have a substantial legal or illegal domestic trade in weapons for use by their own citizens, primarily for self-defense, hunting or sporting purposes. (Illegal) small arms trade occurs in many countries and regions affected by political instability. The Small Arms Survey estimates that 875 million small arms circulate worldwide, produced by more than 1,000 companies from nearly 100 countries.[4]

on chemical and biological weapons, 1925

Geneva Protocol

signed and entered into force 1967

Outer Space Treaty

signed 1972, entered into force 1975

Biological Weapons Convention

(MTCR), 1987

Missile Technology Control Regime

signed 1993, entered into force 1997

Chemical Weapons Convention

on anti-personnel land mines, signed 1997, entered into force 1999

Ottawa Treaty

signed by Russia and the United States in April 2010, entered into force in February 2011

New START Treaty

concluded in 2013, entered into force on 24 December 2014.[25]

Arms Trade Treaty