What is IDEA?

▶Features of IDEA

• It adopts the hierarchical structure ensures comprehensiveness. (At least some data is available.)
• It is the database, which is the Japanese representative.
• It adopts unit process data as much as possible to maintain a high level of transparency.
• Data quality is assessed to ensure reliability.

▶How to create the database

1. Creation of accumulated inventory data using statistics
   Energy statistics
   Industrial statistics, other dynamic statistics
   Input-Output table
2. Creation of accumulated inventory data using process data
   Survey of actual processes
   Use of process simulators
3. Development of data based on the existing inventory database
   Collection of data from the literature.

▶Number of IDEA’s datasets

The world’s largest number of datasets (approximately 4,700 datasets)

▶Sample data