Manufacturing Business Outlook Survey: Delivery times: Current (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - United States - Philly FED - Monthly
This series is part of the dataset: Manufacturing Business Outlook Survey (Philly FED)
Download Full Dataset (.xlsx)Latest updates. Based on a sample of manufacturing firms surveyd by the FED, the seasonally unadjusted diffusion index for delivery times (share of CEOs seeing a recent increase minus share reporting a decrease) stood at -3.6 in September 2025, compared to -3.8 in August.
Sample. In the monthly time series presented in the plot, there are a total of 689 observations. The span of time covered by the series is from May 1968 to September 2025.
History. Have a look at some simple statistics computed on the full sample: the diffusion index had an average value of -2.2; it reached its lowest level of -36.0 in June 1980; it recorded its highest level of 41.8 in March 2022.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-07-31 | 0.0 |
| 2025-08-31 | -3.8 |
| 2025-09-30 | -3.6 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did delivery times 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 | No |
| 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) |
Series in the same data set
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