According to annual data available on FOIA.gov, the following five agencies reported the highest median number of days to process simple, perfected requests in fiscal year 2021:
National Archives and Records Administration: 179 days
United States Institute of Peace: 173 days
Office of Management and Budget: 170 days
Advisory Council of Historic Preservation: 106 days
U..S Agency for Global Media: 99 days
Seven agencies reported median response times of one (1) day in FY 2021 for simple, perfected requests:
Department of Agriculture
Harry S. Truman Scholarship Foundation
Administrative Conference of the United States
Federal Mine Safety and Health Review Commission
Gulf Coast Ecosystem Restoration Council
Office of the Director of National Intelligence
Office of Navajo and Hopi Indian Relocation