Indices of Industrial Production

2020 average=100

	Seasonally Adjusted Index		Original Index
	index	Percent change from the previous month(%)	index	Percent change from the previous year (%)
Production	101.9	-0.5	112.5	2.3
Shipments	99.5	-1.1	111.4	2.0
Inventories	96.6	-1.5	94.1	-4.9
Inventory Ratio	102.8	-0.4	92.2	-5.3

* Annual data revision was implemented since January 2025 in the Revised Report for January 2026.

Industrial Production

Industries that mainly contributed to the decreased

1.Inorganic and organic chemicals, 2.General-purpose and business oriented machinery, 3.Petroleum and coal products, in that order.

Industries that mainly contributed to the increased

1.Transport equipment (excl. motor vehicles), 2.Production machinery, 3.Electronic parts and devices, in that order.

Shipments

Industries that mainly contributed to the decreased

1.Motor vehicles, 2.Petroleum and coal products, 3.Inorganic and organic chemicals, in that order.

Industries that mainly contributed to the increased

1.Iron, steel and Non-ferrous metals, 2.Electronic parts and devices, 3.Plastic products, in that order.

Inventories

Industries that mainly contributed to the decreased

1.Electrical machinery, and Information and communication electronics equipment, 2.Inorganic and organic chemicals, 3.Production machinery, in that order.

Industries that mainly contributed to the increased

1.Motor vehicles, 2.Electronic parts and devices, 3.General-purpose and business oriented machinery, in that order.

Seasonally Adjusted Index
Percent change from the previous month(%)

	April 2026	May 2026
Survey in April 2026	2.1	2.2
Survey in March 2026	3.3

Industries that mainly contributed to the increased in April

1.Production machinery, 2.Electronic parts and devices, 3.Transport equipment, in that order.

Industries that mainly contributed to the increased in May

1.Transport equipment, 2.Electrical machinery, and Information and communication electronics equipment, 3.Fabricated metals, in that order.

*1:Indices of Industrial Production Forecast is conducted monthly to search the planned production amounts for the current and proceeding months.
The survey is one of the useful economic indicators which reflect changing business conditions and provide a view of where the economy is heading in the near future.

*2:Annual data revision was implemented since December(Next Month) 2024 in the Report for March 2026.

Report on IIP( Production, shipments and Inventories )

Historical data of each index, Indices classified by Industry, Indices classified by Goods.

Historical data etc.(data download)

Excel and csv files of each index (Year, Fiscal Year, Quarter, Month), previous data, weight of Indices of Industrial Production, etc..

Results in the past

Outline of the result, Report on IIP in the past.

Release date of Indices of Industrial Production

We have published the release date of the Indices of Industrial Production(November 2025 - February 2027). Please click the above-mentioned.
(updated at December 26, 2025)