Ministry of Land, Infrastructure, Transport and Tourism, Japan

Monthly statistics published by MILT with basic information of air transportation in Japan(ex. Freight tonnage carried, Freight ton kilometers(FTKs), Passenger traffics).

  Yearly statistics published by MILT with basic information of Japanse airports(ex. Number of airplanes arrived, Amount of cargo handled, Passenger traffics).

The production index , when the criteria for each type of vehicle multiplied by both the number production of the time compared with the reference time of the vehicle average production value of the ( 2015 average ) , was determined by integrating the ratio rate ( Laspeyres formula the sum of it is a law formula ) index

Production index ( annual ) is an index which is determined by dividing the completed ship number ( total ) of completed ship value of the current year (the total ) , the reference time ( 2015 ).