The Department of Housing and Urban Development establishes the rent adjustment factors — called Annual Adjustment Factors (AAFs) — on the basis of Consumer Price Index (CPI) data relating to changes in residential rent and utility costs.

FY 2025 AAF Metro Lookup Tool

This system provides complete documentation of the AAF geographic areas. Users can choose from a list of counties (and New England towns) identified by state and metropolitan area. After selecting the desired geography, the user is provided a page containing the geographic summary and data sources used to calculate the AAF inflation factor.

FY 2025 AAFs
(Effective December 3, 2024)

Preamble (*.pdf, 293 KB);
Schedule C (Table 1, .pdf, 317 KB, Table 2 .pdf, 317 KB, both Tables, .xlsx, 122 KB);
AAF Calculation Methodology (*.docx, 38 KB)
CPI Region Table link

Query Tool
Data

FY 2024 AAF Metro Lookup Tool

FY 2024 AAFs
(Effective April 1, 2024)

Preamble (*.pdf, 207 KB);
Schedule C (Table 1, .pdf, 317 KB, Table 2 .pdf, 317 KB, both Tables, .xlsx, 122 KB);

Data

FY 2023 AAFs
(Effective March 9, 2023)

Preamble (*.pdf, 200 KB);
Schedule C (Table 1, .pdf, 96 KB, Table 2 .pdf, 96 KB, both Tables, .xlsx, 12 KB);
Area Definitions Table (.pdf, 160 KB)

Data

FY 2022 AAFs
(Effective February 16, 2022)

Preamble (*.pdf, 234 KB);
Schedule C (Table 1, .pdf, 261 KB, Table 2 .pdf, 257 KB, both Tables, .xlsx, 21 KB);
Area Definitions Table (.pdf, 277 KB)

Data

FY 2021 AAFs
(Effective December 17, 2020)

Preamble (*.pdf, 59 KB);
Schedule C (Table 1, .pdf, 168 KB, Table 2 .pdf, 189 KB, both Tables, .xlsx, 21 KB);
Area Definitions Table (.pdf, 315 KB)

Data

FY 2020 AAFs
(Effective December 10, 2019)

Preamble (*.pdf, 284 KB);
Schedule C (Table 1, .pdf, 190 KB, Table 2 .pdf, 189 KB, both Tables, .xlsx, 19 KB);
Area Definitions Table (.pdf, 334 KB)

Data

FY 2019 AAFs
Release Date: December 27, 2018
Posted Date: January 28, 2019

Preamble (*.pdf, 285 KB);
Schedule C (Table 1, .pdf, 36 KB, Table 2 .pdf, 37 KB, both Tables, .xlsx, 18 KB);
Area Definitions Table (.pdf, 228 KB)

Data

FY 2018 AAFs
(Effective November 8, 2017)

Preamble (*.pdf, 152 KB);
Tables (.pdf, 168 KB, .docx, 23 KB);
Area Definitions Table (.pdf, 86.3 KB, .docx, 33.1 KB)

Data

FY 2017 AAFs
(Effective December 20, 2016)

Preamble (*.pdf, 223 KB);
Tables (.pdf, 101 KB, .docx, 31 KB);
Area Definitions Table (.pdf, 83 KB, .docx, 32 KB)

Data

FY 2016 AAFs
(Effective May 3, 2016)

Preamble (*.pdf, 200 KB)
Tables (.pdf, 182 KB, .docx, 36 KB)
Area Definitions Table (*.pdf, 116 KB)

Data

FY 2015 AAFs
(Effective February 9, 2015)

Preamble (*.pdf, 155 KB)
Tables (.pdf, 182 KB, .docx, 36 KB)
Area Definitions Table (*.pdf, 116 KB)

Data

FY 2014 AAFs
(Effective February 18, 2014)

Preamble (*.pdf, 156 KB)
Tables (*.pdf, 167 KB)
Area Definitions Table (*.pdf, 118 KB)

Data

FY 2013 AAFs
(Effective May 22, 2013)

Preamble (*.pdf, 207KB)
Tables (*.pdf, 94 KB)
Area Definitions Table (*.pdf, 76 KB)

Data

FY 2012 AAFs
(Effective April 13, 2012)

Preamble (*.pdf, 178 KB)
Tables (*.pdf, 176 KB)
Area Definitions Table (*.pdf, 160 KB)

Data

FY 2011 AAFs

Contract Rent AAFs (Effective March 16, 2011)
Preamble (*.pdf, 114 KB)
Tables (*.pdf, 35 KB)

Renewal Funding AAFs (Effective May 10, 2011)
Preamble (*.pdf, 151 KB)
Tables (*.pdf, 66 KB)

Area Definitions Table (*.pdf, 36 KB)
(Applies to both AAFs)

Data

FY 2010 AAFs
(Effective February 10, 2010)

Contract Rent AAFs
Preamble (*.pdf, 122 KB)
Tables (*.pdf, 68 KB)

Renewal Funding AAFs
Preamble(*.pdf, 38 KB)
Tables (*.pdf, 49 KB)

Area Definitions Table (*.pdf, 70 KB)

Data

FY 2009 AAFs
(Effective January 12, 2009)

Preamble (*.pdf, 178 KB)
Tables (*.doc, 75 KB)
Area Definitions Table (*.doc, 134 KB)

Data

FY 2008 AAFs
(Effective January 22, 2008)

Preamble (*.pdf, 148 KB)
Tables (*.doc, 85 KB)
Area Definitions (*.doc, 134 KB)

Data

FY 2007 AAFs
(Effective February 1, 2007)

Preamble (*.pdf, 104 KB)
Tables (*.doc, 56 KB)
Area Definitions (*.doc, 68 KB)

Data

FY 2006 AAFs
(Effective December 1, 2005)

Preamble (*.pdf, 150 KB)
Tables (*.doc, 106 KB)
Area Definitions (*.doc, 56 KB)

Data

FY 2005 AAFs
(Effective January 14, 2005)

Preamble (*.pdf, 115 KB)
Tables (*.pdf, 36 KB)
Area Definitions (*.pdf, 109 KB)

Data

FY 2004 AAFs
(Effective September 16, 2003)

Federal Register Notice Preamble (*.pdf, 96 KB)
Tables (*.pdf, 64 KB)

Data

FY 2003 AAFs
(Effective January 22, 2003)

Federal Register Notice (*.pdf, 1,133 KB)
Tables(*.doc, 42 KB)

Data

FY 2002 AAFs
(Effective November 26, 2001)

Preamble (*.pdf, 94 KB)
Tables(*.doc, 163 KB)

Data

FY 2001 AAFs

Preamble and Tables (*.pdf, 1211 KB)

Data

FY 2000 AAFs

Preamble and Tables (*.pdf, 1099 KB)

Data

FY 1999 AAFs

Preamble and Tables (*.doc, 146 KB)

Data

FY 1998 AAFs

Preamble and Tables (*.doc, 79 KB)

Data

FY 1997 AAFs

Preamble and Tables (*.pdf, 148 KB)

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