The National Superannuation Fund (NASFUND) of Papua New Guinea (PNG) was established in May 2002, as the successor entity to the National Provident Fund (NPF). It is the largest private sector superannuation fund in PNG.In 2016, NASFUND reported net assets of PGK4.22 billion, representing a 28% growth on 2015. Compulsory superannuation contributions in PNG were introduced in 1982. Employees are required to contribute a minimum of 6% of their salary to a superannuation fund and employers of over 15 persons are required to contribute 8.4%.