The National Statistics Office
; ) is the Philippine government's major statistical agency responsible in collecting, compiling, classifying, producing, publishing, and disseminating general-purpose statistics as provided for in Commonwealth Act No. 591.
The NSO has also the responsibility of carrying out and administering the provision of the Civil Registry Law as provided for in Act No. 3753 dated February 1931.
The organization assumed its responsibilities when Commonwealth Act (C.A.) No. 591 was approved on August 19, 1940. It was then known as the Bureau of the Census and Statistics (BCS). It became the National Census and Statistics Office (NCSO) in 1974 until was renamed to be the National Statistics Office in 1987.