Europe of population are Saint Petersburg, Madrid, Berlin and Rome, each having over 3 million residents. When considering the commuter belts or metropolitan areas, within the EU (for which comparable data is available) London covers the largest population, followed in order by Paris, Madrid, Barcelona, Berlin, the Ruhr area, Rome, Milan, Athens and Warsaw. "Europe" as a cultural concept is substantially derived from the shared heritage of the Roman Empire and its culture. The boundaries of Europe were historically understood as those of Christendom (or more specifically Latin Christendom), as established or defended throughout the medieval and early modern history of
Jewish population by country immigration growth has been steady in the low tens of thousands since then. In the rest of the world, only the United States, Canada, Australia, and Germany have had a positive recent Jewish migration balance outside of Israel. In general, the English-speaking world has seen its share of the diaspora increase since the Holocaust and the foundation of Israel, while historic Jewish populations in Eastern Europe, North Africa, and the Middle East have significantly declined or disappeared. France continues to be home to the world's third largest Jewish community, around 500,000, but has shown an increasingly negative trend. Emigration loss