NPA is now engaged in more than 33 countries in de-mining, humanitarian relief, promoting democratization; the rights of indigenous people, equality; and fair distribution of power and resources.

NPA currently operates de-mineing activities in 16 countries and played a central role in the International Campaign to Ban Landmines and the Convention on Cluster Munitions which was signed in Oslo in 2008.

During World War II, NPA mobilized medical services across the country until the German occupying forces seized its assets and officially disbanded it in September 1941.

[1] In March 2000, the European-Sudanese Public Affairs Council, led by David Hoile, referred to a November 1999 television documentary that alleged that NPA-controlled aeroplanes had supplied the Sudan People's Liberation Army (SPLA) with 80–100 tonnes of weapons and landmines.

[2] The Sri Lankan Ministry of Defence referred to allegations by unnamed groups that the Liberation Tigers of Tamil Eelam (LTTE) had "used" the NPA for "terrorist activities".

[4] In 2018, NPA paid a $2 million fine to the US Department of Justice and admitting that they had breached the U.S. False Claims Act when they failed to disclose their activities in Palestine training Hamas youth members from 2012 to 2016, and failed to disclose a deminning project in Iran that ended in 2008, the latter an assignment for the Norwegian oil company Norsk Hydro.