15,160 (interior)[1][2] 21,095 (exterior)[1] | 5,000,000[3] | St. Peter's Basilica | 1506–1626 | Vatican City | Vatican City | Catholic (Roman Rite) | Area can be verified on a plan printed as 205% size in 1:1000 scale to match a 41.47 m dome internal diameter |
12,000 | 1,200,000[4] | Basilica of the National Shrine of Our Lady of Aparecida | 1955–80 | Aparecida | Brazil | Catholic (Roman Rite) | Church dimensions 173×168 m yielding a maximum area of 29,000 m²[5] |
11,520[6] | 500,000 + | Seville Cathedral | 1401–1528 | Seville | Spain | Catholic (Roman Rite) | The largest Gothic cathedral in the world[7] |
11,200[3] | 480,000[8] | Cathedral of Saint John the Divine | 1892–present | New York City | United States | Anglican (Episcopal Church in the U.S.) | Unfinished, lacking transepts among other components |
10,186[9] | 440,000 | Milan Cathedral | 1386–1965 | Milan | Italy | Catholic (Ambrosian Rite) | Touring Club Italiano claims 11,700 m² (earlier sources state 8,406 m²)[2][10] |
9,717 (interior)[11] | | Abbey of Santa Giustina | 1501–1606[12] | Padua | Italy | Catholic (Roman Rite) | |
10,090 | 300,000[13] | Basilica of Our Lady of Licheń | 1994–2004 | Licheń Stary | Poland | Catholic (Roman Rite) | 9,240 m²[13]or 10,090 m² |
9,687[14] | 450,000 + | Liverpool Cathedral | 1904–78 | Liverpool | United Kingdom | Anglican (Church of England) | |
8,700[15] | 130,000 | Church of the Most Holy Trinity | 2004-07 | Fátima | Portugal | Catholic (Roman Rite) | Area given as 12,000m²[4] |
8,515 | | Basilica of Saint Paul Outside the Walls | IV–1823 | Rome | Italy | Catholic (Roman Rite) | One nave & four aisles by 80 columns |
8,318[16] | | Basilica-Cathedral of Our Lady of the Pillar | 1681–1872 | Zaragoza | Spain | Catholic (Roman Rite) | |
8,300 | | Florence Cathedral | 1296–1436 | Florence | Italy | Catholic (Roman Rite) | Largest brick and mortar dom in the world |
8,260 | 190,000 | Ulm Minster | 1377–1890 | Ulm | Germany | Lutheran | Tallest in the world and one of the largest brick churches north of the Alps |
8,000 | | Basilica of the Sacred Heart | 1905–70 | Koekelberg (Brussels) | Belgium | Catholic (Roman Rite) | |
8,167 | | Basilica of Our Lady of Guadalupe | 1974–76 | Mexico City | Mexico | Catholic (Roman Rite) | Circular base of 102 m in diameter[17] |
8,000[18] | | Cathedral of Our Lady | 1352–1521 | Antwerp | Belgium | Catholic (Roman Rite) | |
8,000 | | Rio de Janeiro Cathedral | 1964-76 | Rio de Janeiro | Brazil | Catholic (Roman Rite) | External diameter is 106 meters |
7,989 (interior) 30,000 (exterior)[19] | | Basilica of Our Lady of Peace | 1985–89 | Yamoussoukro | Ivory Coast | Catholic (Roman Rite) | The enclosed area approximately 8,000 m²[20] |
7,960 | 255,800 [21] | Hagia Sophia | 532–537 | Istanbul | Turkey | Orthodox (Ecumenical Patriarchate) | Was the largest church in the world for a millennium, now a museum. |
7,920 | 270,000 | San Petronio Basilica[22] | 1390–1479 | Bologna | Italy | Catholic (Roman Rite) | World's largest Gothic brick church |
7,914 | 407,000[23] | Cologne Cathedral | 1248–1880 | Cologne | Germany | Catholic (Roman Rite) | Gross volume without buttresses |
7,875[2] | | St Paul's Cathedral | 1677–1708 | London | United Kingdom | Anglican (Church of England) | |
7,712[24] | | Washington National Cathedral | 1907–90 | Washington, DC | United States | Anglican (Episcopal Church in the U.S.) | |
7,700[25] | 200,000 (interior only) | Amiens Cathedral | 1220–70 | Amiens | France | Catholic (Roman Rite) | Gross volume slightly below 400,000 |
7,097 (interior) 12,069 (exterior)[26] | | Basilica of the National Shrine of the Immaculate Conception | 1919–61 | Washington, DC | United States | Catholic (Roman Rite) | Interior decoration remains unfinished |
6,968 | | Cathedral of La Plata | 1884-1932 | La Plata | Argentina | Catholic (Roman Rite) | Largest church in Argentina |
6,825 | 660,000 | Saint Joseph's Oratory | 1904–67 | Montreal | Canada | Catholic (Roman Rite) | |
6,732 | | Mexico City Metropolitan Cathedral | 1573-1813 | Mexico City | Mexico | Catholic (Roman Rite) | |
6,650 | | Reims Cathedral | 1211–75 | Reims | France | Catholic (Roman Rite) | The longest church in France |
6,044 | | Strasbourg Cathedral | 1015–1439 | Strasbourg | France | Catholic (Roman Rite) | World's tallest building 1647-1874 |
6,038 | | Cathedral of Our Lady of the Angels | 1998–2002 | Los Angeles | United States | Catholic (Roman Rite) | |
6,020[27] | 43,300 | De Hoeksteen, Barneveld | 2007–08 | Barneveld | Netherlands | Protestant | |
6,000 | | Padre Pio Pilgrimage Church | 1991-2004 | San Giovanni Rotondo | Italy | Catholic (Roman Rite) | Vaulted church holding 6,500 seats |
5,900 | | Bourges Cathedral | 1195-1230 | Bourges | France | Catholic (Roman Rite) | |
5,660 | | Esztergom Basilica | 1822–69 | Esztergom | Hungary | Catholic (Roman Rite) | |
5,500 | | Notre Dame de Paris | 1163–1345 | Paris | France | Catholic (Roman Rite) | |
5,400 | | Sagrada Familia | 1882–present | Barcelona | Spain | Catholic (Roman Rite) | Unfinished |
5,300 | | Primate Cathedral of Bogotá | 1807-23 | Bogotá | Colombia | Catholic (Roman Rite) | |
5,240 | | Cathedral of Christ the Saviour | 1839–83 | Moscow | Russia | Orthodox (Moscow Patriarchate) | Rebuilt during 1995-2000 |
5,170 | | New Cathedral, Linz | 1862–1924 | Linz | Austria | Catholic (Roman Rite) | |
5,017 | | Westminster Cathedral | 1895–1910 | London | United Kingdom | Catholic (Roman Rite) | |
5,000 | 185,000–190,000 | St. Mary's Church[28] | 1343–1502 | Gdańsk | Poland | Catholic (Roman Rite) | One of the largest Gothic brick churches north of the Alps |
5,000 | 137,000 | Holy Trinity Cathedral | 1995–2004 | Tbilisi | Georgia | Orthodox (Patriarchate of Georgia) | Description see[29] |
4,968[30] | | Winchester Cathedral | 1079–1525 | Winchester | United Kingdom | Anglican (Church of England) | The longest Gothic Cathedral in Europe. |
4,800 | | Dresden Cathedral | 1739-55 | Dresden | Germany | Catholic (Roman Rite) | Largest church in all of Saxony |
4,500 | | Basilica of St. Thérèse, Lisieux | 1929-54 | Lisieux | France | Catholic (Roman Rite) | |
4,320[31] | | Basilica de San Martin de Tours (Taal) | 1856–78 | Taal, Batangas | Philippines | Catholic (Roman Rite) | |
4,273[32] | | Ely Cathedral, Cambridgeshire | 1083–1375 | Ely | United Kingdom | Anglican (Church of England) | Third-largest medieval Cathedral in the United Kingdom |
4,188 | 185,000–190,000[33] | Frauenkirche | 1468–1525 | Munich | Germany | Catholic (Roman Rite) | One of the largest Gothic brick churches north of the Alps and the largest hall church |
4,130 | | Cathedral Basilica of Saint Louis (St. Louis) | 1907-14 | St. Louis | United States | Catholic (Roman Rite) | 83,000 square feet, largest mosaic collection in the world |
4,000 | | Saint Isaac's Cathedral | 1818–58 | Saint Petersburg | Russia | Orthodox (Moscow Patriarchate) | Still a museum |
3,822 | | Saint Gregory the Illuminator Cathedral, Yerevan | 1997–2001 | Yerevan | Armenia | Armenian Apostolic Church | |
3,500[34] | 170,000[34] | Church of Saint Sava | 1935–89 | Belgrade | Serbia | Orthodox (Patriarchate of Serbia) | The largest church in the Balkans. |
3,170[35] | | Alexander Nevsky Cathedral | 1882–1912 | Sofia | Bulgaria | Orthodox (Patriarchate of Bulgaria) | |
2,972 | | Westminster Abbey | 960-18c | London | United Kingdom | Anglican (Church of England) | |
2,800[36] | | Medak Cathedral | 1914–26 | Medak | India | Anglican (Church of South India) | |
2,300 | | Our Lady of Dolours Syro-Malabar Catholic Basilica | 1929-2005 | Our Lady of Dolours Syro-Malabar Catholic Basilica | India | Syro-Malabar Catholic Archdiocese of Thrissur | It has the 3rd tallest tower in Asia |
2,135 | 64,040[37] | Basilica of St. John the Baptist | 1839–55 | St. John's | Canada | Catholic (Roman Rite) | The largest church in eastern Canada |
1,760 | 32,162[38] | All Saints Cathedral, Halifax | 1907–10 | Halifax | Canada | Anglican (Church of Canada) | The largest Anglican cathedral church in Canada |