This document contains data on the integration of foreigners living in various European cities from 2009 to 2012. It includes statistics on the percentage of foreigners who felt integrated in 2009 and 2012, the difference in those percentages between the two years, and total positive integration scores in 2009 and 2012 as well as the difference between those scores. For each city listed, it provides this data as well as an overall evolution in integration from 2009 to 2012.