This book provides an overview of immigration trends that touch on the main elements of comprehensive immigration reform (CIR). Most policymakers agree that the main issues in CIR include increased border security and immigration enforcement, improved employment eligibility verification, revision of legal immigration, and options to address the millions of unauthorized aliens residing in the country. This book offers snapshots of time series data, using the most complete and consistent time series currently available for each statistic. The key findings and elements germane to the data depicted are summarized with figures. This summary offers the highlights of key immigration trends, with a focus on permanent legal immigration to the U.S.; the U.S. foreign-born population; immigration of foreign national with STEM degrees; numerical limits on employment-based immigration; and electronic employment eligibility verification.