Immigration Statistics including the Yearbook of Immigration Statistics which is a compendium of tables that provide data on foreign nationals who were granted lawful residence, on a temporary or permanent basis. Either applied for asylum or refugee status, or were naturalized.
Legal Permanent Residents (PDF format maps). "Legal permanent residents (LPRs) are foreign nationals who have been granted the right to reside permanently in the United States. LPRs are often referred to as simply "immigrants", but they are also known as "permanent resident aliens" and "green card holders."
Includes: Fingerprints, Electronic Filing, Paperwork Reduction Act, Employment Based Forms, Family Based Forms, Green Card Based Forms, Humanitarian Benefits Based Forms, Citizenship and Naturalization Based Forms.
"The American Immigration Council works to strengthen America by shaping how America thinks about and acts towards immigrants and immigration and by working toward a more fair and just immigration system that opens its doors to those in need of protection and unleashes the energy and skills that immigrants bring."
An independent, non-partisan, non-profit research organization founded in 1985. It is the Center's mission to expand the base of public knowledge and understanding of the need for an immigration policy that gives first concern to the broad national interest.
"The Migration Policy Institute is an independent, nonpartisan, nonprofit think tank in Washington, DC dedicated to analysis of the movement of people worldwide."
Oct. 2015. "As immigration emerges as a key issue in the presidential campaign, there is little common ground between Republicans and Democrats in views of several immigration policy proposals. But partisan disagreements are much more pronounced on some issues than others."
"a compilation of federal immigration and naturalization statutes in the United States provides an overview of the legislative history of immigration to the United States." From U.S. Citizenship and Immigration Services.