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St. Peter's Basilica 15,160[2] 21,095[2] 1,600,000[3] 60,000 standing, or 20,000 seated[4][5] 1506–1626 Vatican City   Vatican City Catholic (Latin) Largest church in the world [1]

Cathedral Basilica of Our Lady Aparecida 12,000[6][7] 18,331[8][9] 1,200,000[10] 45,000 standing, or 30,000 seated [11][12][13] 1955–1980 Aparecida  Brazil Catholic (Latin) Largest cathedral in the world.[14]

Milan Cathedral 11,700[15][16] 440,000[17] 40,000 1386–1965 Milan  Italy Catholic (Latin)

Seville Cathedral 11,500[3] 23,500[18][b] 500,000+ 1401–1528 Seville  Spain Catholic (Latin) Largest cathedral in Europe and the largest Gothic religious building in the world. It was a mosque before being rebuilt as a Catholic cathedral.[19][20]

Cathedral of St. John the Divine 11,241[27] 480,000[28] 8,600 1892–present New York City  United States Anglican (Episcopal Church in the U.S.) Unfinished.

Basilica of Our Lady of Licheń 10,090[citation needed] 300,000[29] 1994–2004 Licheń Stary  Poland Catholic (Latin) 9,240 m2[29] or 10,090 m2

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Basilica of Saint Paul Outside the Walls 8,515[citation needed] 4th–5th century; rebuilt 1825–1929 Rome  Italy Catholic (Latin)

Basilica-Cathedral of Our Lady of the Pillar 8,318[32] 1681–1872 Zaragoza  Spain Catholic (Latin)

Florence Cathedral 8,300[citation needed] 1296–1436 Florence  Italy Catholic (Latin)

Basilica of Our Lady of Guadalupe 8,167[citation needed] 10,000 1974–1976 Mexico City  Mexico Catholic (Latin) Circular base of 102 m in diameter[33]

Basilica of the Sacred Heart 8,000[citation needed] 1905–1970 Koekelberg (Brussels)  Belgium Catholic (Latin)

Basilica of Our Lady of Peace 7,989 30,000[36] 18,000[37] 1985–1989 Yamoussoukro  Ivory Coast Catholic (Latin) The basilica proper is 7,989 m2.[38] Exterior area includes rectory and villa.

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San Petronio Basilica 7,920[citation needed] 258,000 28,000 1390–1479 Bologna  Italy Catholic (Latin)

Cologne Cathedral 7,914[citation needed] 407,000[40] 1248–1880 Cologne  Germany Catholic (Latin)

St Paul's Cathedral 7,875[41] 1677–1708 London  United Kingdom Anglican (Church of England)

Washington National Cathedral 7,712[42] 1907–1990 Washington, DC  United States Anglican (Episcopal Church in the U.S.)

Abbey of Santa Giustina 7,700[citation needed] 1501–1606[44] Padua  Italy Catholic (Latin)

Cathedral of the Nativity 7,500[45] 135,000[46] 8,200 2017–2019 Cairo  Egypt Oriental Orthodox (Coptic) Largest Oriental Orthodox church in the world

Yoido Full Gospel 7,450 (estimated) 44,000+ 12,000 1973 Seoul  South Korea Protestant (Pentecostal) Largest Pentecostal church

St. Vitus Cathedral 7,440[citation needed] 1344–1929 Prague  Czech Republic Catholic (Latin)

Basilica Natn. Shrine of the Immaculate Conception 7,097[47] 10,234 10,000 1920–2017 Washington, DC  United States Catholic (Latin) Interior area only for the upper church / upper floor.[47]

Cathedral of La Plata 6,968[citation needed] 1884–1932 La Plata  Argentina Catholic (Latin) Largest church in Argentina[citation needed]

Saint Joseph's Oratory 6,825[citation needed] 1904–1967 Montreal  Canada Catholic (Latin) The largest church in Canada

Shrine of St. Paulina 6,740[48] 9,000[48] 6,000[49] 2003–2006 Nova Trento  Brazil Catholic (Latin)

Mexico City Metropolitan Cathedral 6,732[citation needed] 1573–1813 Mexico City  Mexico Catholic (Latin)

Cathedral of Our Lady of the Angels 6,038[citation needed] 1998–2002 Los Angeles  United States Catholic (Latin)

De Hoeksteen 6,020[52] 43,300 2,531 2007–2008 Barneveld  Netherlands Protestant (Calvinist)

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Padre Pio Pilgrimage Church 6,000[citation needed] 6,500 1991–2004 San Giovanni Rotondo  Italy Catholic (Latin) Vaulted church holding 6,500 seats[citation needed]

Ulm Minster 5,950[citation needed] 190,000 2,000 1377–1890 Ulm  Germany Protestant (Lutheran) Tallest church in the world[60]

York Minster 5,927[61] 1230–1472 York  United Kingdom Anglican (Church of England) Largest Gothic cathedral in Northern Europe.

Bourges Cathedral 5,900[citation needed] 1195–1230 Bourges  France Catholic (Latin)

Reims Cathedral 5,800[citation needed] 6,650 1211–1275 Reims  France Catholic (Latin) The longest church in France at 149.17m[citation needed]

São Paulo Cathedral 5,700[62] 8,000[63] 1913–1954 São Paulo  Brazil Catholic (Latin)

Esztergom Basilica 5,660[citation needed] 1822–1869 Esztergom  Hungary Catholic (Latin)

Diocesan Sanctuary of Our Lady of Guadalupe 5,414.58[citation needed] 1898–2008 Zamora, Michoacán  Mexico Catholic (Latin) Co-cathedral church of the diocese of Zamora.

Strasbourg Cathedral 5,300[citation needed] 6,044 1015–1439 Strasbourg  France Catholic (Latin) World's tallest building from 1647 to 1874[citation needed]

Primate Cathedral of Bogotá 5,300[citation needed] 1807–1823 Bogotá  Colombia Catholic (Latin)

Palma Cathedral 5,200[citation needed] 160,000 (interior) 1220–1346 Palma, Majorca  Spain Catholic (Latin)

New Cathedral, Linz 5,170[citation needed] 20,000[65] 1862–1924 Linz  Austria Catholic (Latin)

Speyer Cathedral 5,038 1030–1103 Speyer  Germany Catholic (Latin) Added to the UNESCO World Heritage List

Westminster Cathedral 5,017[citation needed] 3,000 1895–1910 London  United Kingdom Catholic (Latin) Largest Roman Catholic Church in the UK.

Medak Cathedral 5,000[68] 1914–1926 Medak  India Anglican (Church of South India)

Lincoln Cathedral 5,000 (estimated)[69] 1185–1311 Lincoln, England  United Kingdom Anglican (Church of England)

St. Mary's Church 5,000[citation needed] 155,000[70] 1343–1502 Gdańsk  Poland Catholic (Latin)

Winchester Cathedral 4,968[71] 1079–1525 Winchester  United Kingdom Anglican (Church of England) The longest Gothic cathedral in Europe[72]

Notre Dame de Paris 4,800[citation needed] 5,500 9,000 1163–1345; 2019–present (reconstruction) Paris  France Catholic (Latin) Roof and main spire destroyed by fire on 15 April 2019

Almudena Cathedral 4,800[citation needed] 1883–1993 Madrid  Spain Catholic (Latin) It has a north–south orientation instead of east–west.

Dresden Cathedral 4,800[citation needed] 1739–1755 Dresden  Germany Catholic (Latin) Largest church in all of Saxony[citation needed]

Basilica of St. Thérèse, Lisieux 4,500[citation needed] 1929–1954 Lisieux  France Catholic (Latin)

Ely Cathedral, Cambridgeshire 4,273[74] 1083–1375 Ely  United Kingdom Anglican (Church of England)

Frauenkirche 4,188[citation needed] 185,000–190,000[75] 1468–1525 Munich  Germany Catholic (Latin)

Se Cathedral 4,180 1619–1640 Goa, India  India Catholic (Latin)

Cathedral of Christ the Saviour 3,980[78] 6,829.3[78] 101,992[78] 9,500[78] 1839–1883 Moscow  Russia Eastern Orthodox (Russian) Rebuilt from 1995 to 2000

Saint Gregory the Illuminator Cathedral, Yerevan 3,822[citation needed] 1997–2001 Yerevan  Armenia Oriental Orthodox (Armenian)

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Church of Saint Sava 3,650[87] 4,830[88] 170,000[89] 1935–1989 Belgrade  Serbia Eastern Orthodox (Serbian) Largest church in the Balkans[citation needed]

Uppsala Cathedral 3,439[91] 4,077[91] 50,000 excluding towers[91] 2,200[91] 1273-1435

Uppsala  Sweden Church of Sweden Largest Cathedral in northern Europe. Height 118,7m, Length 118,95 m.[92]

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Westminster Abbey 2,972[98] 2,200[99] 960–c. 18 cent. London  United Kingdom Anglican (Church of England)

St Andrew's Cathedral, Patras 2,600[100] 1908–1974 Patras  Greece Eastern Orthodox (Greek) 1,900 m2 on the ground floor and additionally 700 m2 on the first level 

St. Patrick's Cathedral (Manhattan) 2,500[101][102] 2,400[103] 1858–1878 New York City, New York  United States Catholic (Latin)

Helsinki Cathedral 2,400 1,300 1869–1887 Helsinki  Finland Protestant (Lutheran)

Our Lady of Dolours Syro-Malabar Catholic Basilica 2,300[citation needed] 1929–2005 Thrissur  India Catholic (Syro-Malabar) It has the third tallest tower in Asia[citation needed]

The Great World Cathedrals