Business Conditions Index: Revisions to the August 2026 Flash Estimate
Overview
The Business Conditions Index page provides the August 2026 flash estimate, its revision status, various series, related materials, announcements, and past summaries. Figures from the 13th revision onward are used beginning with the January 2021 flash estimate. Past summaries include all 12 months for each year from 2021 through 2025 and January through July 2026. The page also has a section titled “Past Summaries (13th Revision).”
Key points
- The latest flash estimate covers August 2026 and was published on October 7, 2026.
- The page provides the revision status for the August 2026 flash estimate.
- The page provides long-term series, figures for individual series, and the contributions of individual series to the CI index.
- The page provides figures after the 13th revision beginning with the January 2021 flash estimate.
Overview
The page contains flash estimates and revision materials for the Business Conditions Index, series, related materials, announcements, and past summaries. Related materials include “Criteria for Assessing the Current Phase” and a comparison of old and new seasonal adjustment models. Announcements include a report on a study group meeting, materials on the CI base-year change, and information about a trial consumer sentiment survey.
Details
The “Flash Estimate” section contains an overview and materials for the August 2026 flash estimate, published on October 7, 2026. The “Revisions” section contains the revision status and materials for the estimate from August 2026, published on October 26, 2026.
The “Series” section includes long-term series for the CI, DI, and cumulative DI indexes; individual figures for the leading, coincident, and lagging series; and the contributions of each series to the CI index. The series materials were published on October 26, 2026.
Related materials include “Criteria for Assessing the Current Phase” (May 12, 2026) and two comparisons of old and new seasonal adjustment models. The comparisons cover “L10 Investment Environment Index (Manufacturing), Lg5 Corporate Tax Revenue” (March 9, 2026) and “C4 Labor Input Index (All Surveyed Industries)” (March 25, 2026). Announcements include a report on the 22nd Business Conditions Index Study Group meeting held on July 23, 2026; materials on the CI base-year change and related matters in the “Business Conditions Index” (June 26, 2023); and information about a trial consumer sentiment survey.
“Past Summaries (13th Revision)” provides an overview, flash estimate materials, and revisions for every month from January through December in each year from 2021 through 2025, and for January through July 2026.
For inquiries, contact the Economic and Social Research Institute, Cabinet Office, Business Statistics Division. Telephone: 03-6257-1627 (direct line).