Business Conditions Index: August 2026 Flash Report
Overview
The Cabinet Office’s Economic and Social Research Institute, Department of Business Statistics page provides the flash report and series data for August 2026. The flash report consists of an overview and report materials; the series data include long-term series, values for individual series, and contributions of individual series to the CI. The page also provides criteria for trend assessments, comparisons of old and new seasonal adjustment models, notices, and past monthly materials.
Key points
- The August 2026 flash report overview and materials, along with series data for the same month, are posted.
- The series section includes long-term series, values for individual series, and contributions of individual series to the CI.
- The past overview list contains monthly materials from 2021 through 2026.
Overview
The page contains flash reports and series data on the Business Conditions Index, materials on trend assessments and seasonal adjustment models, notices, and past releases. The current entry was posted on October 7, 2026, and both the flash report and series data cover August 2026. Separate lists are provided for past overviews and past overviews following the 13th revision.
Past materials are organized by year and month from 2021 through 2026. For 2026, the list runs from January through July; for each year from 2021 through 2025, it runs from January through December. Each month has sections for the overview, flash report materials, and revisions.
Details
Under the flash report section, an “August 2026 Flash Report” is posted with an “Overview” and “Flash Report Materials.” The “Long-Term Series” section includes the CI, DI, and cumulative DI indexes. “Values for Individual Series” contains the leading, coincident, and lagging series. Contributions of individual series to the CI are also posted for the leading, coincident, and lagging series. The flash report materials and overview are in PDF format, while the series data are in Excel format.
The notices include “The 22nd Business Conditions Index Research Committee meeting was held” (July 23, 2026), “Change of the base year for the CI in the Business Conditions Index” (June 26, 2023), and a notice that the flash report for January 2021 onward uses figures following the 13th revision (March 8, 2021). A separate notice announces, “A Consumer Sentiment Questionnaire (Trial) is under way!”
The page includes “Criteria for Trend Assessments” (May 12, 2026) as a related resource. The comparison of old and new seasonal adjustment models covers “L10 Investment Environment Index (Manufacturing), Lg5 Corporate Tax Revenue” (March 9, 2026) and “C4 Labor Input Index (Total for Surveyed Industries)” (March 25, 2026).
The contact is the Cabinet Office’s Economic and Social Research Institute, Department of Business Statistics. The telephone number is 03-6257-1627 (direct line), and the page also provides inquiry guidance for the Business Conditions Index.