According to the Eurobarometer 2010,Eurobarometer Biotechnology report 2010 p.381. 37% of Belgian citizens believe in God, 31% in some sort of spirit or life-force. 27% do not believe in any sort of spirit, God, or life-force. 5% did not respond. According to the Eurobarometer 2015, 60.7% of the total population of Belgium adhered to Christianity, with Catholicism being the largest denomination with 52.9%. Protestants comprised 2.1% and Orthodox Christians were the 1.6% of the total. Non-religious people comprised 32.0% of the population and were divided between atheists (14.9%) and agnostics (17.1%). A further 5.2% of the population was Muslim and 2.1% were believers in other religions. The same survey held in 2012 found that Christianity was the largest religion in Belgium, accounting for 65% of Belgians. thumb|left|upright=0.7|Interior of the Great Synagogue of Brussels In the early 2000s, there were approximately 42,000 Jews in Belgium. The Jewish Community of Antwerp (numbering some 18,000) is one of the largest in Europe, and one of the last places in the world where Yiddish is the primary language of a large Jewish community (mirroring certain Orthodox and Hasidic communities in New York, New Jersey, and Israel). In addition, most Jewish children in Antwerp receive a Jewish education.Ghiuzeli, Haim F. The Jewish Community of Antwerp, Belgium . Beit Hatfutsot, the Museum of the Jewish People There are several Jewish newspapers and more than 45 active synagogues (30 of which are in Antwerp) in the country. A 2006 inquiry in Flanders, considered to be a more religious region than Wallonia, showed that 55% considered themselves religious and that 36% believed that God created the universe.Inquiry by 'Vepec', 'Vereniging voor Promotie en Communicatie' (Organization for Promotion and Communication), published in Knack magazine 2006 p. 14 [The Dutch language term 'gelovig' is in the text translated as 'religious'. More precisely it is a very common word for believing in particular in any kind of God in a monotheistic sense or in some afterlife], or both. On the other hand, Wallonia has become one of Europe's most secular/least religious regions. Most of the French-speaking region's population does not consider religion an important part of their lives, and as much as 45% of the population identifies as irreligious. This is particularly the case in eastern Wallonia and areas along the French border.
According to the Eurobarometer 2010Eurobarometer Biotechnology report 2010 p381 37% of Belgian citizens believe in God 31% in some sort of spirit or life-force 27% do not believe in any sort of spirit God or life-force 5% did not respond According to the Eurobarometer 2015 607% of the total population of Belgium adhered to Christianity with Catholicism being the largest denomination with 529% Protestants comprised 21% and Orthodox Christians were the 16% of the total Non-religious people comprised 320% of the population and were divided between atheists (149%) and agnostics (171%) A further 52% of the population was Muslim and 21% were believers in other religions The same survey held in 2012 found that Christianity was the largest religion in Belgium accounting for 65% of Belgians thumb|left|upright=07|Interior of the Great Synagogue of Brussels In the early 2000s there were approximately 42000 Jews in Belgium The Jewish Community of Antwerp (numbering some 18000) is one of the largest in Europe and one of the last places in the world where Yiddish is the primary language of a large Jewish community (mirroring certain Orthodox and Hasidic communities in New York New Jersey and Israel) In addition most Jewish children in Antwerp receive a Jewish educationGhiuzeli Haim F The Jewish Community of Antwerp Belgium  Beit Hatfutsot the Museum of the Jewish People There are several Jewish newspapers and more than 45 active synagogues (30 of which are in Antwerp) in the country A 2006 inquiry in Flanders considered to be a more religious region than Wallonia showed that 55% considered themselves religious and that 36% believed that God created the universeInquiry by 'Vepec' 'Vereniging voor Promotie en Communicatie' (Organization for Promotion and Communication) published in Knack magazine 2006 p 14 [The Dutch language term 'gelovig' is in the text translated as 'religious' More precisely it is a very common word for believing in particular in any kind of God in a monotheistic sense or in some afterlife] or both On the other hand Wallonia has become one of Europe's most secular/least religious regions Most of the French-speaking region's population does not consider religion an important part of their lives and as much as 45% of the population identifies as irreligious This is particularly the case in eastern Wallonia and areas along the French border