Informes y Estudios
Lea más sobre nuestros informes y estudios. Estos informes y estudios están su formato original en inglés.
- E-Verify Program Reports
- Employment Verification: Federal Agencies Have Taken Steps to Improve E-Verify, but Significant Challenges Remain, GAO, December 2010 (PDF)
- DHS Response to GAO-11-146: Employment Verification: Federal Agencies Have Taken Steps to Improve E-Verify, but Significant Challenges Remain (PDF, 54.34 KB)
- The Practices and Opinions of Employers who do not Participate in E-Verify, December 2010 (PDF, 474.99 KB)
- Findings of the E-Verify Program Evaluation (December 2009) (PDF)
- Westat Evaluation of the E-Verify Program: USCIS Synopsis of Key Findings and Program Implications (PDF, 81.21 KB)
- Arrest Histories of U Visa Petitioners (PDF, 368.25 KB)
- U Visa Filing Trends Report (PDF, 371.31 KB)
- U Visa Demographics Report (PDF, 437.03 KB)
- U Visa Technical Appendix (PDF, 460.63 KB)
- 2019 USCIS Statistical Annual Report Final H1-B (PDF, 210.5 KB)
- 2019 USCIS Statistical Annual Report Final L-1 (PDF, 267.76 KB)
- DACA Requestors with an IDENT Response November 2019 Update (PDF, 745.26 KB)
- Report - F-1 Students Obtaining Another Nonimmigrant Classification (PDF, 605.08 KB)
- Citizenship and Assimilation Grant Program Fact Sheet (PDF, 358.85 KB)
- Trends in Naturalization Rates: FY 2014 Update (PDF, 186.93 KB)
- The Triennial Comprehensive Report on Immigration (PDF, 4.02 MB)
- Characteristics of People Who Naturalized Between FY 2009 and FY 2014 (PDF, 427.07 KB)
- Understanding Requests for Evidence (RFEs): A Breakdown of Why RFEs Were Issued for H-1B Petitions in Fiscal Year 2018 (PDF, 136.38 KB)
- FY 2018 Annual Report H-1B Petitions (PDF, 3.22 MB)
- FY 2017 Annual Report H-1B Petitions (PDF, 333.49 KB)
- FY 2016 Annual Report: H-1B Petitions (PDF, 4.52 MB)
- FY 2015 Annual Report: H-1B Petitions (PDF, 444.08 KB)
- FY 2014 Annual Report: H-1B Petitions (PDF, 330.42 KB)
- FY 2013 Annual Report: H-1B Petitions (PDF, 296.19 KB)
- FY 2012 Annual Report: H-1B Petitions (PDF, 255.85 KB)
- FY 2011 Annual Report: H-1B Petitions (PDF, 305.92 KB)
- FY 2010 Annual Report: H-1B Petitions (PDF, 1.05 MB)
- FY 2009 Annual Report: H-1B Petitions (PDF, 948.96 KB)
- FY 2008 Annual Report: H-1B Petitions (PDF, 574.38 KB)
- FY 2007 Annual Report: H-1B Petitions (PDF, 531.68 KB)
- FY 2006 Annual Report: H-1B Petitions (PDF, 505.57 KB)
- FY 2005 Annual Report: H-1B Petitions (PDF, 731.67 KB)
- FY 2004 Annual Report: H-1B Petitions (PDF, 722.34 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2019 (PDF, 2.44 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2018 (PDF, 7.19 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2017 (PDF, 791.18 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2016 (PDF, 3.03 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2015 (PDF, 6.85 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2014 (PDF, 874.68 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2013 (PDF, 692.02 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2012 (PDF, 500.72 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2011 (PDF, 552.34 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2010 (PDF, 2.03 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2009 (PDF, 1.07 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2008 (PDF, 1.01 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2007 (PDF, 1.13 MB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2006 (PDF, 1000.93 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2005 (PDF, 142.54 KB)
- Characteristics of Specialty Occupation Workers (H-1B): Fiscal Year 2004 (PDF, 359.76 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2019 (PDF, 463.5 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2018 (PDF, 612.7 KB)
- FY 2018 USCIS H-2B Congressional Appropriations Report (PDF, 549.34 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2017 (PDF, 3.31 MB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2016 (PDF, 543.23 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2015 (PDF, 3.97 MB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2014 (PDF, 398.16 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2013 (PDF, 442.72 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2012 (PDF, 387.69 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2011 (PDF, 299.67 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2010 (PDF, 445.12 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2009 (PDF, 397.02 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2008 (PDF, 380.22 KB)
- Characteristics of H-2B Nonagricultural Temporary Workers 2007 (PDF, 403.87 KB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2017 - Part 2 (PDF, 161.27 KB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2017 - Part 1 (PDF, 2.66 MB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2016 - Part 1 (PDF, 2.89 MB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2016 - Part 2 (PDF, 2.68 MB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2015 - Part 1 (PDF, 2.01 MB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2015 - Part 2 (PDF, 2.47 MB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2014 - Part 1 (PDF, 295.66 KB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2014 - Part 2 (PDF, 254.53 KB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2013 - Part 1 (PDF, 270.82 KB)
- H-2B Nonagricultural Temporary Worker Visa and Status 2013 - Part 2 (PDF, 257.38 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2011 - Part 1 (PDF, 257.29 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2011 - Part 2 (PDF, 258.1 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2010 - Part 1 (PDF, 1.92 MB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2010 - Part 2 (PDF, 1.74 MB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2009 (PDF, 407.68 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2008 (PDF, 301.46 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2007 (PDF, 292.81 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2006 - Part 1 (PDF, 983.52 KB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2006 - Part 2 (PDF, 1.24 MB)
- H-2B Nonagricultural Temporary Workers Visa and Status 2005 (PDF, 224.67 KB)
- FY 2019 Annual Report on the Impact of the Homeland Security Act on Immigration Functions Transferred to the Department of Homeland Security (PDF, 497.16 KB)
- FY 2017 Annual Report on the Impact of the Homeland Security Act on Immigration Functions Transferred to the Department of Homeland Security (PDF, 705.79 KB)
Por ley, la Oficina del Defensor del Pueblo de Servicios de Ciudadanía e Inmigración presenta un Informe Anual al Congreso en o antes del 30 de junio de cada año. El Informe Anual del Defensor del Pueblo debe proporcionar un resumen de los problemas más generales y serios encontrados por las personas y los empleadores que solicitan beneficios de inmigración con el Servicio de Ciudadanía e Inmigración. El Informe Anual también evalúa las recomendaciones anteriores para mejorar los programas y servicios de USCIS.