The pride of the National Library’s collection is the Malaysiana Collection. It comprises library materials published in Malaysia and overseas whose whole or larger part of the content is related to the publications date or the language used. Another national intellectual heritage is the Malay Manuscripts and one of her manuscript the Hikayat Hang Tuah has been acknowledged by UNESCO in the Memory of the World Register. It is a MS ISO 9001:2008 certified library.
The National Library holds a total collection of 4.78 million units; of which 4.52 million are printed materials, 98,406 are non-printed materials, 4,974 are Malay manuscripts and 158,316 are digital materials.