In the 2010s, millions of people migrated to Europe from the Islamic world and the assimilation process has not gone well. This mass migration has correlated with a rise in sexual assaults and incidents of vandalism against churches and synagogues. In 2019, a survey by the European Commission found that 89 percent of Jewish people in Europe said anti-Semitism had “significantly increased” over the previous five years as influxes of Middle Eastern refugees flooded the continent.