• Annual Flow Reports
• Annual Reports
• Annual Population Estimates
• Working Papers and Special Projects
• Fact Sheets
• Yearbook of Immigration Statistics
• Archived Publications

Annual Flow Reports

• Nonimmigrant Admissions to the United States: 2011 (view summary and full report), July 2012
• Refugees and Asylees: 2011 (view summary and full report), May 2012
• U.S. Legal Permanent Residents: 2011 (view summary and full report), April 2012
• U.S. Naturalizations: 2011 (view summary and full report), April 2012
• Nonimmigrant Admissions to the United States: 2010 (view summary and full report), August 2011
• Refugees and Asylees: 2010 (view summary and full report), May 2011
• U.S. Naturalizations: 2010 (view summary and full report), April 2011
• U.S. Legal Permanent Residents: 2010 (view summary and full report), March 2011
• Nonimmigrant Admissions to the United States: 2009, April 2010 (PDF, 10 pages - 485.5 KB)
• Refugees and Asylees: 2009, April 2010 (PDF, 6 pages - 335 KB)
• Naturalizations in the United States: 2009, April 2010 (PDF, 4 pages - 320 KB)
• U.S. Legal Permanent Residents: 2009, April 2010 (PDF, 6 pages - 401 KB)
• Refugees and Asylees: 2008, June 2009 (PDF, 6 pages - 339 KB)
• Nonimmigrant Admissions to the United States: 2008, April 2009 (PDF, 10 pages - 473 KB)
• U.S. Legal Permanent Residents: 2008, March 2009 (PDF, 6 pages - 369 KB )
• Naturalizations in the United States: 2008, March 2009 (PDF, 4 pages - 396 KB)
• Nonimmigrant Admissions to the United States: 2007, September 2008 (PDF, 10 pages - 297 KB)
• Refugees and Asylees: 2007, July 2008 (PDF, 4 pages - 489 KB)
• Naturalizations in the United States: 2007, July 2008 (PDF, 4 pages - 489 KB)
• U.S. Legal Permanent Residents: 2007, March 2008 (PDF, 6 pages - 427 KB )
• Temporary Admissions of Nonimmigrants to the United States: 2006, July 2007 (PDF, 8 pages - 1,038 KB)
• Refugees and Asylees: 2006, June 2007 (PDF, 6 pages - 658 KB)
• Naturalizations in the United States: 2006, June 2007 (PDF, 4 pages - 489 KB)
• U.S. Legal Permanent Residents: 2006, March 2006 (PDF, 6 pages - 522 KB)
• Temporary Admissions of Nonimmigrants to the United States: 2005, July 2006 (PDF, 8 pages - 378 KB)
• Naturalizations in the United States: 2005, May 2006 (PDF, 4 pages - 250 KB)
• Refugees and Asylees: 2005, May 2006 (PDF, 6 pages - 160 KB)
• Legal Permanent Residents: 2005, April 2006 (PDF, 6 pages - 158 KB)
• Refugee Applicants and Admissions to the United States: 2004, September 2005 (PDF, 3 pages - 200 KB)
• Naturalizations in the United States: 2004, June 2005 (PDF, 4 pages - 272 KB)
• U.S. Legal Permanent Residents: 2004, June 2005 (PDF, 7 pages - 351 KB)
• Temporary Admissions of Nonimmigrants to the United States in 2004, May 2005 (PDF, 9 pages - 437 KB)

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Annual Reports

• Immigration Enforcement Actions: 2011 (view summary and full report), September 2012
• Immigration Enforcement Actions: 2010 (view summary and full report), June 2011
• Immigration Enforcement Actions: 2009 (PDF, 4 pages, 409 KB), August 2010
• Immigration Enforcement Actions: 2008 July 2009 (PDF, 4 pages - 196 KB)
• Immigration Enforcement Actions: 2007 December 2008 (PDF, 4 pages - 181.99 KB)
• Immigration Enforcement Actions: 2006 May 2008 (PDF, 5 pages - 278 KB)
• Immigration Enforcement Actions: 2005 November 2006 (PDF - 7 pages, 323 KB)
• Immigration Enforcement Actions: 2004 November 2005 (PDF - 7 pages, 237 KB)

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Annual Population Estimates

• Estimates of the Size and Characteristics of the Resident Nonimmigrant Population in the United States: January 2011 (view summary and full report), November 2012
• Estimates of the Legal Permanent Resident Population in 2011 (view summary and full report), July 2012
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2011 (view summary and full report), March 2012
• Estimates of the Legal Permanent Resident Population in 2010 (view summary and full report), October 2011
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2010, February 2011 (PDF, 7 pages - 481 KB)
• Estimates of the Legal Permanent Resident Population in 2009, October 2010 (PDF, 4 pages - 226 KB)
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2009, January 2010 (PDF, 8 pages - 361 KB)
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2008, February 2009 (PDF, 7 pages - 226 KB)
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2007, September 2008 (PDF, 7 pages - 258 KB)
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2006 August 2007 (PDF, 6 pages - 576 KB)
• Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2005, August 2006 (PDF, 7 pages - 218 KB)
• Estimates of the Resident Nonimmigrant Population in the United States: 2008, June 2010 (PDF, 5 pages, 344 KB)
• Nonimmigrant Population Estimates: 2004, June 2006 (PDF, 6 pages - 247 KB)
• Estimates of the Legal Permanent Resident Population in 2008, October 2009 (PDF, 4 pages - 326 KB)
• Estimates of the Legal Permanent Resident Population in 2007, February 2009 (PDF, 4 pages - 184 KB)
• Estimates of the Legal Permanent Resident Population in 2006, February 2008 (PDF, 5 pages - 278 KB)
• Estimates of the Legal Permanent Resident Population and Population Eligible to Naturalize in 2004, January 2006 (PDF, 6 pages - 253 KB)
• Estimates of the Legal Permanent Resident Population and Population Eligible to Naturalize in 2003, January 2005 (PDF, 6 pages - 247 KB)
• Estimates of the Legal Permanent Resident Population and Population Eligible to Naturalize in 2002, May 2004 (PDF, 8 pages - 609 KB)

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Working Papers and Special Projects

OIS Working Papers and Special Projects represent a series of reports involving statistical methods and/or in-depth analysis.

• An Analysis of Migrant Smuggling Costs along the Southwest Border, November 2010 November 2010 (PDF, 22 pages – 438 KB)
• The 9/11 Terrorist Attacks and Overseas Travel to the United States: Initial Impacts and Longer-Run Recovery, March 2010 (PDF, 13 pages - 988 KB)
• The Macroecomic Impacts of the 9/11 Attack: Evidence from Real-Time Forecasting, August 2009 (PDF, 16 pages – 397 KB).
• An Exploratory Time Series Analysis of Apprehensions and Linewatch Hours on the Southwest Border, August 2009 (PDF, 28 pages – 599 KB )
• The Timing of Naturalization in the United States through 1996: The Experience of the Legal Immigrant Cohorts of 1977 and 1982, September 2008 (PDF, 7 pages - 284 KB)

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Fact Sheets

• The Impact of Counting Changes on Nonimmigrant Admissions: An Update (view summary and full report), August 2012
• The Impact of Counting Changes on Nonimmigrant Admissions: Preliminary Findings (view summary and full report), February 2012
• Apprehensions by the U.S. Border Patrol: 2005-2010, July 2011 (view summary and full report), July 2011
• Naturalization Rates among IRCA Immigrants: A 2009 Update, October 2010 (PDF, 2 pages – 217 KB)
• Characteristics of Persons Naturalizing in the United States Between 1980 and 2008 (PDF, 2 pages, 218 KB)
• Trends in Naturalization Rates: 2008 Update (PDF, 2 pages - 92 KB)
• Apprehensions by the U.S. Border Patrol: 2005-2008 (PDF, 2 pages - 186 KB)
• The Foreign-born Component of the Uninsured Population (PDF, 2 pages - 102 KB)
• Characteristics of Major Metropolitan Destinations of Immigrations (PDF, 2 pages - 189 KB)
• Trends in Naturalization Rates (PDF, 2 pages - 131 KB)
• Trends in Naturalization by Provision of Law: 1975 to 2005 (PDF, 1 page - 91 KB)
• Naturalization Rate Estimates: Stock vs. Flow (PDF, 2 pages - 136 KB)
• Border Apprehensions: 2005 (PDF, 2 pages - 208 KB)
• Characteristics of Diversity Legal Permanent Residents: 2004, December 2005 (PDF, 2 pages - 129 KB)
• Characteristics of Family-Sponsored Legal Permanent Residents: 2004, October 2005 (PDF, 2 pages - 162 KB)
• Characteristics of Employment-Based Legal Permanent Residents: 2004, October 2005 (PDF, 2 pages - 173 KB)

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Yearbook of Immigration Statistics

The Yearbook of Immigration Statistics is a compendium of tables that provides data on foreign nationals who, during a fiscal year, were granted lawful permanent residence (i.e., admitted as immigrants or became legal permanent residents), were admitted into the United States on a temporary basis (e.g., tourists, students, or workers), applied for asylum or refugee status, or were naturalized. The Yearbook also presents data on immigration law enforcement actions, including alien apprehensions, removals, and prosecutions. The Yearbook tables are available in both PDF and Excel formats.

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Archived Publications

Search our Archives Page for additional publications.

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