Fifth District Survey of Manufacturing Activity: Vendor lead times: Current (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - Richmond FED - Monthly
This series is part of the dataset: Fifth District Survey of Manufacturing Activity (Richmond FED)
Download Full Dataset (.xlsx)Latest updates. According to survey data about manufacturers collected by the Federal Reserve Bank of Richmond, the seasonally adjusted diffusion index for vendor lead times (share of CEOs seeing a recent increase minus share reporting a decrease) was -1.0 in February 2026, compared to 0.0 in January.
Sample. There are 358 data points overall in the monthly series displayed in the plot above. The series covers the time span stretching from January 1996 to February 2026.
History. Check out some simple statistics we computed on the entire sample: the diffusion index reached its highest level of 67.0 in May 2021; it reached its lowest level of -29.0 in December 2022; it was equal on average to 6.2.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-12-31 | 9.0 |
| 2026-01-31 | 0.0 |
| 2026-02-28 | -1.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did vendor lead 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 | Yes |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | Federal Reserve Bank of Richmond |
| 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) |
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