The results of the Polish census of 2021 (officially, the National Population and Housing Census 2021, Polish : Narodowy Spis Powszechny 2021) were published in 2023. [1] Data was gathered from 1 April to 30 September (the previously planned duration from 1 April to 30 June was extended because of enduring COVID-19 policy). The point of reference for the census was set on 31 March 2021.
Censuses in Poland are conducted every 10 years, the previous census was the Polish census of 2011. The next census will be the Polish census of 2031.
The number of declared Catholics decreased to 27.1 million (71%), down from 33.7 million (88%) in the 2011 census. [2]
| Religious affiliation | Percentage (%) |
|---|---|
| Catholic Church - Latin Rite | 71.30 |
| Refused to answer | 20.53 |
| Not affiliated with any religion | 6.87 |
| Orthodox Church | 0.40 |
| Jehovah's Witnesses | 0.29 |
| Evangelical Church of the Augsburg Confession | 0.17 |
| Catholic Church - Byzantine-Ukrainian Rite (Greek Catholic Church) | 0.09 |
| Pentecostal Church | 0.08 |
| Old Catholic Mariavite Church | 0.03 |
| Christianity (general religious declaration) | 0.02 |
| Polish Catholic Church | 0.02 |
| Church of Christian Baptists | 0.01 |
| Buddhist Union of the Diamond Way of the Karma Kagyu Line | 0.01 |
| Seventh-day Adventist Church | 0.01 |
| Pastafarianism | 0.01 |
| Muslim Religious Association | 0.01 |
| Community of Christ Churches | 0.01 |
| Native Faith | 0.01 |
| Church of God in Christ | 0.01 |
| Other religion | 0.11 |
| Undetermined | 0.04 |
| Total | 100.00 |
| Declared ethnicity | 2021 |
|---|---|
| Polish | 37,595,069 |
| Silesians | 596,224 |
| Kashubians | 179,685 |
| Germans | 144,177 |
| Ukrainians | 82,440 |
| Belarusians | 56,607 |
| English | 54,424 |
| Americans | 27,756 |
| Italians | 19,980 |
| Jews | 17,156 |
| Russians | 15,994 |
| French | 14,739 |
| Lemkos | 13,607 |
| Romani | 13,303 |
| Irish | 11,638 |
| Lithuanians | 10,287 |
| Dutch | 10,254 |
| Norwegian | 8,967 |
| Spanish | 8,526 |
| Czechs | 7,818 |
| Swedes | 7,046 |
| Armenians | 6,772 |
| Other | 140,152 |
| Declared language | 2021 |
|---|---|
| Polish | 37,868,618 |
| English | 737,276 |
| Silesian | 467,145 |
| German | 216,342 |
| Kashubian | 89,198 |
| Russian | 63,271 |
| Ukrainian | 55,104 |
| French | 41,895 |
| Italian | 38,388 |
| Spanish | 29,480 |
| Dutch | 17,633 |
| Belarusian | 17,325 |
| Norwegian | 14,157 |
| Swedish | 10,318 |
| Polish Sign Language | 9,267 |
| Romani | 7,284 |
| Rusyn | 6,147 |
| Other | 114,479 |
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