Population Projections

Release Year	Base Population	Title / File Type
2012	2010 Census	2012 National Population Projections: Methodology and Assumptions [PDF - 125k]
2009	Census 2000	Methodology Statement for the 2009 National Projections [PDF - 61k]
2008	Census 2000	2008 National Population Projections Methodology Summary Document [PDF - 75k]
2004	Census 2000	Interim Projections of the U.S. Population by Age, Sex, Race, and Hispanic Origin: Summary Methodology and Assumptions 2000-2050 [PDF - 33k]
2000	Estimated resident population for January 1, 1999	Methodology and Assumptions for the Population Projections of the United States: 1999 to 2100 [PDF - 33k]
1996	Estimated resident population for July 1, 1994	Population Projections of the United States by Age, Sex, Race, and Hispanic Origin: 1995 to 2050 (P25-1130) [PDF - 3.9M]

Release Year	Base Population	Title / File Type
2005	Census 2000	Methodology Summary for the Interim Population Projections for States by Age and Sex: 2004-2030 [DOC - 39k] Interim State Projections Methodology Table 1 [XLS - 26k] \| [CSV - 4k] Interim State Projections Methodology Table 2 [XLS - 28k] \| [CSV - 4k] Interim State Projections Methodology Table 3 [XLS - 28k] \| [CSV - 5k] Interim State Projections Methodology Table 4 [XLS - 28k] \| [CSV - 3k]
1996	1990 Census	Population Projections for States by Age, Sex, Race, and Hispanic Origin: 1995 to 2025 (PPL 47) [PDF - 1.2M] Population Projections: States, 1995-2025 (P25-1131) [PDF - 109k]

Methodology