Topzle Updated: Wikipedia source
Churches can be measured and compared in several ways. These include area, volume, length, width, height, or capacity. Several churches individually claim to be "the largest church", which may be due to any one of these criteria.
| Name | Area (m2) | Gross volume (m3) | Capacity | Built | City | Country | Denomination | Notes | |
| Interior | Exterior | ||||||||
| St. Peter's Basilica | 25,616 | 76,800 | 1,600,000 | 60,000 standing, or 20,000 seated | 1506–1626 | Vatican City | Vatican City | Catholic (Latin) | Largest church in the world. |
| Cathedral Basilica of Our Lady Aparecida | 25,000 | 142,865 | 1,200,000 | 45,000 standing, 30,000 seated, or 300,000 in open air celebrations | 1955–1980 | Aparecida | Brazil | Catholic (Latin) | Largest cathedral in the world. |
| Mosque–Cathedral of Córdoba | 13,000 | 23,400 | 40,000 standing. | 785–1607 | Córdoba | Spain | Catholic (Latin) | Much of its original mosque architecture has been preserved, and it serves as the Catholic cathedral of the Diocese of Córdoba. | |
| Seville Cathedral | 11,520+ | 23,500 | 80,000 standing, or 20,000 seated | 1401–1528 | Seville | Spain | Catholic (Latin) | Largest church by total exterior area and the largest Gothic cathedral. Originally built as a mosque, it was later converted into a Catholic cathedral. | |
| Milan Cathedral | 10.186 – 11.700 | 12,000 | 440,000 | 40,000 | 1386–1965 | Milan | Italy | Catholic (Latin) | |
| Cathedral of St. John the Divine | 11,241 | 480,000 | 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 | 7,000 | 1994–2004 | Licheń Stary | Poland | Catholic (Latin) | 9,240 m2 or 10,090 m2 | |
| Liverpool Cathedral | 9,687 | 450,000 + | 3,500 | 1904–1978 | Liverpool | United Kingdom | Anglican (Church of England) | Longest cathedral in the world. | |
| Basilica of the Holy Trinity | 8,700 | 130,000 | 9,000 | 2004–2007 | Fátima | Portugal | Catholic (Latin) | Area given as 12,000 m2 | |
| Basilica of Saint Paul Outside the Walls | 8,515[citation needed] | 4th–5th century; rebuilt 1825–1929 | Rome | Italy | Catholic (Latin) | ||||
| People's Salvation Cathedral | 8,400 | 13,668.55 | 478,857 | 7,000 | 2010–2025 (estimated)Consecrated 2018. | Bucharest | Romania | Eastern Orthodox (Romanian) | Tallest and largest (by volume) Orthodox church building in the world. |
| Cathedral Basilica of Our Lady of the Pillar | 8,318 | 1681–1872 | Saragossa | 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 | ||
| Cathedral of Our Lady | 8,000 | 1352–1521 | Antwerp | Belgium | Catholic (Latin) | ||||
| Rio de Janeiro Cathedral | 8,000 | 20,000 | 1964–1976 | Rio de Janeiro | Brazil | Catholic (Latin) | |||
| 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 | 18,000 | 1985–1989 | Yamoussoukro | Ivory Coast | Catholic (Latin) | Largest Catholic church by exterior area. Exterior area includes rectory and a villa. | |
| Hagia Sophia | 7,960[citation needed] | 255,800 | 532–537 | Istanbul | Turkey | Eastern Orthodox (Greek) | Byzantine church constructed in 537; converted to a mosque. | ||
| 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 | 1248–1880 | Cologne | Germany | Catholic (Latin) | |||
| St Paul's Cathedral | 7,875 | 1677–1708 | London | United Kingdom | Anglican (Church of England) | ||||
| Washington National Cathedral | 7,712 | 1907–1990 | Washington, DC | United States | Anglican (Episcopal Church in the U.S.) | ||||
| Amiens Cathedral | 7,700 | 200,000 (interior only) | 1220–1270 | Amiens | France | Catholic (Latin) | Gross volume slightly below 400,000[citation needed] | ||
| Abbey of Santa Giustina | 7,700[citation needed] | 1501–1606 | Padua | Italy | Catholic (Latin) | ||||
| Cathedral of the Nativity | 7,500 | 135,000 | 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 of the Immaculate Conception | 7,097 | 10,234 | 10,000 | 1920–2017 | Washington, DC | United States | Catholic (Latin) | Interior area only for the upper church / upper floor. | |
| 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 | 9,000 | 6,000 | 2003–2006 | Nova Trento | Brazil | Catholic (Latin) | ||
| Mexico City Metropolitan Cathedral | 6,732[citation needed] | 1573–1813 | Mexico City | Mexico | Catholic (Latin) | ||||
| Chartres Cathedral | 6,700[citation needed] | 10,875[citation needed] | 1145–1220 | Chartres | France | Catholic (Latin) | |||
| Berlin Cathedral | 6,270 | 2,000+ | 1451–1905 | Berlin | Germany | Protestant (Lutheran) | 116 meters high & 73 meters wide; city landmark. | ||
| Cathedral of Saint Paul (Minnesota) | 6,200 (estimated) | 1906–1915 | St Paul, Minnesota | United States | Catholic (Latin) | ||||
| Immaculata Church | 6,169 | 1,580 | 2020-2023 | St. Marys, Kansas | United States | Catholic (Latin) | The largest SSPX Catholic church in the world | ||
| Cathedral of Our Lady of the Angels | 6,038[citation needed] | 1998–2002 | Los Angeles | United States | Catholic (Latin) | ||||
| De Hoeksteen | 6,020 | 43,300 | 2,531 | 2007–2008 | Barneveld | Netherlands | Protestant (Calvinist) | ||
| 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 | |
| York Minster | 5,927 | 1230–1472 | York | United Kingdom | Anglican (Church of England) | Largest Gothic cathedral in Northern Europe. | |||
| Bourges Cathedral | 5,900[citation needed] | 6,200[citation needed] | 1195–1230 | Bourges | France | Catholic (Latin) | |||
| Reims Cathedral | 5,800[citation needed] | 6,650[citation needed] | 1211–1275 | Reims | France | Catholic (Latin) | The longest church in France at 149.17m[citation needed] | ||
| São Paulo Cathedral | 5,700 | 8,000 | 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 | citation needed] | 1898–2008 | Zamora, Michoacán | Mexico | Catholic (Latin) | Co-cathedral church of the diocese of Zamora. | |||
| Basilica de la Sagrada Familia | 5,400[citation needed] | 9,000 | 1882–present | Barcelona | Spain | Catholic (Latin) | Unfinished; expected complete sometime after 2026. | ||