Religion in Poland

As of the 2021 census, the most common religion in Poland was Roman Catholicism, whose followers were 72.4% of the population, followed by the Eastern Orthodoxy with 0.4%, Jehovah's Witnesses with 0.3%, and various Protestant denominations with 0.4% of the Polish population and 0.1% for Greek Catholic Churches.

 Censuses 
Religion2011 census2021 censusNumber %Number %Christianity34,194,13388.7927,550,86172.43–Roman Catholics33,728,73487.5827,121,33171.30–Orthodox Christians156,2840.41151,6480.40–Jehovah's Witnesses137,3080.36108,7540.29–Lutherans70,7660.1865,4070.17–Greek Catholics33,2810.0933,2090.09–Pentecostals26,4330.0730,1050.08–Mariavites9,9900.0312,2480.03–Polish Catholics8,8070.026,9420.02–Baptists5,9820.025,1810.01–Seventh-day Adventists4,9470.013,1290.01–Other Christians11,6010.0312,9070.03Buddhism4,8170.013,2360.01Islam4,5930.012,2090.01Other religions18,4080.0544,6940.12No religion929,4202.412,611,5066.87Undeclared3,360,4518.737,823,61220.57Total38,511,822100.0038,036,118100.00

 Christianity 
About 150 thousand Orthodox people live in Poland, most of whom are members of the Polish Orthodox Church. Protestant groups are estimated to be about 60 thousand believers, especially Evangelical Lutheran Church in Poland. According to church statistics, approximately 28% of Catholics attend mass weekly. Some people consider themselves Catholic due to the celebrations, traditions, customs and religious ties they keep with the Polish culture.  

Mieszko I, the prince of Poland was baptised in 966. He was the first Christian ruler. 

 Catholic Church 
Catholics in Poland are a group of people that contains two subgroups:

 Roman Catholic Church
 Greek Catholic Church

The second one was established in Poland in the 17th century between some groups of Orthodox people and Roman Catholic Church.

The most important pilgrimage destinations in the country are: Jasna Góra in Częstochowa and Licheń. The most known Polish saints of the Roman Catholic Church include: John Paul II, Maximilian Kolbe, and Jerzy Popiełuszko.

 Judaism 
Jews have been living in Poland for more than a thousand years. Until World War II, there were more Jews in Poland than anywhere outside the United States, with approximately 3 million Jews living in Poland. A vast majority was killed during Holocaust or emigrated in the period of antisemitism after World War II. Currently there are about 10,000 Polish Jews, most of whom live in large cities such as Warsaw, Kraków or Łódź. 

 Islam 
A 2021 census states that there are 2209 Muslims (less than 0.01% of the population) living in Poland. There are 3 mosques in Poland, the oldest in Bohoniki and Kruszyniany. Little but some Muslims have lived in Poland for over 500 years, especially in Podlaskie Voivodeship.

 References