Limited English Proficiency (LEP): A Federal Interagency Website Main Page Main Page

LEP Resources and Information
Frequently Asked Questions
Executive Order 13166
Resources by Subject
Recipients of Federal Assistance
Interpretation and Translation
LEP and Title VI Videos
Demographic Data
LEP Mapping Tools
LEP Compliance
Federal Agency LEP Plans
LEP Guidance for Recipients
LEP Guidance for DOJ Recipients
File a Complaint
Suggest LEP Resources
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Last UpdatedFebruary 5, 2019->

Demographic Data

A federally conducted or funded program should consider assessing the number or proportion of limited English proficient (LEP) persons from each language group in its service area to determine appropriate language assistance services. Below are federal government and non-governmental sources of language data that can assist in assessing the LEP communities in your service area. These are a sampling of the resources that may be useful and are not necessarily endorsed by the Department of Justice or by the Federal Interagency Working Group on LEP.

U.S. Census Bureau

U.S. Census Bureau - 2013-2017 American Community Survey 5-Year estimates, including language data, is on American Factfinder (December 6, 2018)

U.S. Census Bureau- Reports at Least 350 Languages Spoken in U.S. Homes (Novemer 3, 2015) [Detailed Tables]

U.S. Census Bureau- How Well Do You Speak English? Assessing the Validity of the American Community Survey English-Ability Question (October 7, 2015) [Working Paper]

U.S. Census Bureau, American Community Survey (ACS), Language Use Data

U.S. Census Bureau- Language Map based on 2007-2011, Language Data

U.S. Census Bureau- Accessing and Using Language Data from the Census Bureau (PDF), September 3, 2008

U.S. Census Bureau- Accessing and Using Language Data from the Census Bureau (PDF), March 15, 2007

U.S. Department of Education

National Center for Education Statistics (NCES), English Language Learners (ELL), ELL Fast Facts

U.S. Department of Health & Human Services

Frequently Asked Questions on Section 1557 of the Affordable Care Act (ACA): Applying the Tagline Requirement to Covered Entities that Operate Health Programs or Activities in More than One State – (HTML)

Resource for Entities Covered by Section 1557 of the Affordable Care Act Estimates of at Least the Top 15 Languages Spoken by Individuals with Limited English Proficiency for the 50 States, the District of Columbia, and the U.S. Territories- (PDF)

Non-Governmental Demographic Data

Migration Policy Institute

The Modern Language Association, Language Map

Selected Resources Department of Justice Links
  Frequently Asked Questions   Department of Justice Home Page
  Executive Order 13166   Civil Rights Division Home Page
  LEP Mapping Tools   Federal Coordination and Compliance Section Home Page
  LEP Guidance for Recipients   Freedom of Information Act
  File a Complaint   Privacy Policy