The LT Plan shall be established in order to avoid redundancy in surveys and to assure survey accuracy through the implementation of Basic Survey*.
The LT Plan was revised approximately every ten years from 1953, the starting year of the First LT Plan, until 1994, the starting year of the Fifth LT Plan, reflecting the needs at that period.Thereafter it has been revised every five years in response to rapid changes in society, technology, and administrative needs. The ongoing LT Plan was established in FY 2014, and shall be valid for ten years until FY 2023.
*Basic survey: Fundamental national surveys implemented by the Geospatial Information Authority of Japan (GSI), which is defined in Article 4 of the Survey Act.
The Long-Term Plan for Basic Survey towards a geospatially enabled society
According to the Basic Act on the Advancement of Utilizing Geospatial Information (Act No. 63 of 2007 – hereinafter referred to as the "NSDI Act") enacted in 2007, information that represents the position of specific point or extent in geospace and its associated information are defined as geospatial information, and it is considered extremely important to promote its advanced utilization for creating an economic society in which people can live their lives securely and abundantly.