 For all of the year 2016, the published number of renunciants was 5,411, a 26% increase from 4,279 in 2015—a record high.A summary of the difference between the NICS database of renunciants and the Federal Register of the mentioned renunciants and relinquishers of long-term residence status is summarized below.Formal confirmation of the loss of US citizenship is provided by the Certificate of Loss of Nationality (CLN) and is received by the renunciant a number of months later.