Advisory Council on Historic Preservation
Annual backlog, FY2018–FY2025
Pending requests at end of each fiscal year (Oct 1, 2017 – Sept 30, 2025). Federal fiscal year runs Oct 1 – Sept 30, named for the year it ends.
Dashed verticals mark presidential inaugurations.
Recent quarterly activity
Last 2 quarters of received, processed, and backlog. Most recent: FY2026 Q2 (Jan 1 – Mar 31, 2026).
10 oldest pending requests, end of FY2025 (Sept 30, 2025)
Agencies report days pending in working days, counted from the day the request was received; the years column converts to calendar years. The longer this list runs, the more litigation-ripe the agency’s backlog.
| Rank | Date received | Working days pending | Years pending |
|---|---|---|---|
| #1 | 2022-07-21 | 794 | 3.2 |
| #2 | 2023-09-27 | 498 | 2.0 |
| #3 | 2023-10-20 | 482 | 1.9 |
| #4 | 2023-10-22 | 482 | 1.9 |
| #5 | 2023-10-23 | 481 | 1.9 |
| #6 | 2023-11-02 | 473 | 1.9 |
| #7 | 2024-01-08 | 430 | 1.7 |
| #8 | 2024-01-26 | 417 | 1.7 |
| #9 | 2024-01-26 | 417 | 1.7 |
| #10 | 2024-01-27 | 417 | 1.7 |
Exemption invocations, FY2025 (Oct 1, 2024 – Sept 30, 2025)
How often each FOIA exemption (b1–b9) was invoked when redacting or denying records. Exemption 5 (deliberative process, attorney-client) is highlighted — it’s the most-fought exemption in FOIA litigation.
FOIA staffing, FY2025 (Oct 1, 2024 – Sept 30, 2025)
Annual report history
| FY | Received | Processed | Pending end |
|---|---|---|---|
| FY2025 | 140 | 13 | 209 |
| FY2024 | 153 | 33 | 147 |
| FY2023 | 27 | 12 | 27 |
| FY2022 | 36 | 37 | 5 |
| FY2021 | 21 | 16 | 6 |
| FY2020 | 12 | 19 | 1 |
| FY2019 | 13 | 5 | 10 |
| FY2018 | 3 | 1 | 3 |
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