This brief, based on data from the Current Population Survey, examines changes in the number of naturalized citizens and rates of naturalization. It also explores the number and characteristics of immigrants in the U.S. who are now or will soon be eligible to naturalize, comparing them to recently naturalized immigrants. In addition to national estimates, the brief provides estimates of the recently naturalized and eligible populations for the 50 states and District of Columbia. [View the corresponding press release]