sentences:  In the spring of 2016 the Pew Research Center found that 81.7% of the population of Italy was affiliated with the Catholic Church, out of a Christian population of 85.1%; non-religious people comprised the 11.6% of the total population and were divided in atheists (3.1%), agnostics (2.5%) and "nothing in particular" (6.0%).According to a 2017 poll by Ipsos (a France-based research centre), 74.4% of Italians are Catholic (including 27.0% engaged and/or observant), 22.6% are irreligious and 3.0% adhere to other denominations in Italy.Finally, Eurostat's Eurobarometer survey in 2018 showed that 85.6% of Italy's population is Christian (78.9% Catholic, 4.6% orthodox Christians, 0.6% Protestants, 1.5% other Christians), while 2.6% belong to other religions and 11.7% are non-religious (7.5% atheists, 4.2% agnostics).