Corporate Services Price Index (August)
Overview
In its preliminary release for August 2026, the Bank of Japan’s Statistics Department reported year-on-year increases in both the all-items index for corporate services and the series excluding international transportation. The release presents the index and results by category, the main components contributing to the year-on-year change, the items included in international transportation, and the notation for revised values. The next release is scheduled for October 27.
Key points
- The preliminary figures show year-on-year increases in both the all-items index and the all-items index excluding international transportation.
- Transport and postal services, miscellaneous services, and leasing and rental ranked among the largest contributors to the year-on-year change.
- The symbol “r” in the tables indicates a revised value.
Overview
The Statistics Department of the Bank of Japan released the “Corporate Services Price Index (Preliminary Figures for August 2026).” The index uses the 2020 average as 100. The all-items index rose from 104.5 in 2023 to 107.8 in 2024 and 111.0 in 2025; the year-on-year rates for those years were 2.2%, 3.2%, and 3.0%, respectively.
The release includes trends in the all-items index and the all-items index excluding international transportation, year-on-year and month-on-month changes, and indexes by category. It also presents reference series such as services with high and low labor cost shares, based on labor cost input ratios, and compares the Domestic Corporate Goods Price Index all-items series in a chart.
Details
In August, the all-items index excluding international transportation was 114.5, up 3.2% year on year and 0.2% month on month. The all-items index rose 0.3% month on month. The five items classified as international transportation are international air passenger transport, ocean-going cargo transport (excluding ocean-going tankers), ocean-going tankers, international air freight transport, and international postal services.
The contributions of major categories to the all-items index’s year-on-year change were 1.11 percentage points for transport and postal services, 0.97 percentage points for miscellaneous services, 0.82 percentage points for leasing and rental, 0.58 percentage points for information and communications, 0.19 percentage points for real estate, 0.06 percentage points for finance and insurance, and minus 0.01 percentage points for advertising. Among the components contributing to the month-to-month change in the year-on-year rate, leasing and rental contributed plus 0.06 percentage points, advertising plus 0.07 percentage points, information and communications minus 0.07 percentage points, and miscellaneous services minus 0.03 percentage points.
The main items cited as contributing to the month-to-month change in the year-on-year rate include ocean-going cargo transport, newspaper and magazine advertising, computer and related equipment leasing, communications equipment leasing, automobile leasing, contract software development (excluding embedded software), accommodation services, civil engineering design, surveying and geological surveys, and tax accountant services. Each category table lists weights, indexes, year-on-year changes, and month-on-month changes, allowing comparison of the August preliminary figures with July values. The month-to-month change in the year-on-year rate is calculated by subtracting the previous month’s year-on-year rate from the current month’s rate; △ denotes categories whose contribution difference increased, and ▼ denotes those whose contribution difference decreased.
The release time is 8:50 a.m. The next Corporate Services Price Index release is scheduled for Tuesday, October 27. The symbol r in the tables indicates a revised value, and an asterisk marks items classified as international transportation.