The trade of merchandise around the world is usually subject to strict regulation, whether it's fruit or biotechnology. But according to the United Nations, the "global trade in conventional weapons - from warships and battle tanks to fighter jets and machine guns - remains poorly regulated. No set of internationally agreed standards exist to ensure that arms are only transferred for appropriate use."
That is why some agencies and organizations have been calling for an international arms trade treaty, and is the ostensible reason for the UN Diplomatic Conference on the Arms Trade Treaty taking place in New York this summer.
The outcome of the conference is uncertain however, given the profits associated with the current arms trade - not to mention the players involved. Amnesty International has released the following infographic to break down the top arms dealing nations in the world:
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