Manufacturing Business Outlook Survey: General business activity: Current (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - Philly FED - Monthly
This series is part of the dataset: Manufacturing Business Outlook Survey (Philly FED)
Download Full Dataset (.xlsx)Latest updates. According to survey data about manufacturers based in Pennsylvania, New Jersey and Delaware, the seasonally adjusted diffusion index for general business activity (share of CEOs seeing a recent increase minus share reporting a decrease) stood at -12.8 in October 2025, compared to 23.2 in September.
Sample. The monthly time series displayed in the chart has 690 observations in total. The series covers the time span stretching from May 1968 to October 2025.
History. Here's a snapshot of some statistics we computed on the whole sample: the diffusion index was equal on average to 8.8; it recorded a bottom of -60.5 in April 2020; it reached its maximum of 58.5 in March 1973.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-08-31 | -0.3 |
| 2025-09-30 | 23.2 |
| 2025-10-31 | -12.8 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did general business activity increase or decrease in the past month? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Coincident indicator of the business cycle |
| Deflation method | Not applicable |
| Seasonally adjusted | Yes |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | Federal Reserve Bank of Philadelphia |
| Source type | Central bank |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |