Church buildings hold a special place in the Christian faith, providing spaces for worship, reflection, and community. Around the world, these sacred structures vary widely in design, style, and size. Some are architectural marvels, with vast interiors that can accommodate tens of thousands of people.
In this article, we delve into the largest churches and cathedrals in the world by interior area as compiled by World Population Review. These churches not only serve as places of worship but also as cultural landmarks, offering a glimpse into the grandeur of religious architecture across the globe.
Top 10 Largest Churches and Cathedrals in the World (2025)
Here is the full list of the top 10 largest churches and cathedrals in the world, ranked by interior area:
- St. Peter’s Basilica – Vatican City
- Interior Area: 15,160 m²
- Visitor Capacity: 60,000
- St. Peter’s Basilica holds the title of the largest church in the world, located in Vatican City. Built over 120 years, it is a masterpiece of Renaissance architecture, drawing millions of visitors annually.
- Cathedral Basilica of the National Shrine of Our Lady Aparecida – Aparecida, Brazil
- Interior Area: 12,000 m²
- Visitor Capacity: 45,000
- This stunning basilica is the second-largest Catholic church globally and can host an enormous number of worshippers. It’s located in Aparecida, Brazil, and is a key pilgrimage site.
- Cathedral of St. John the Divine – New York, USA
- Interior Area: 11,200 m²
- Visitor Capacity: 8,600
- The Cathedral of St. John the Divine is the largest Gothic cathedral in the United States. It is part of the Anglican Church and is known for its remarkable architecture and significant cultural influence.
- Basilica of Our Lady of Licheń – Licheń Stary, Poland
- Interior Area: 10,090 m²
- A renowned Marian shrine in Poland, the Basilica of Our Lady of Licheń stands as a spiritual symbol for millions of Catholics in the region and is one of the largest churches in the world.
- Milan Cathedral – Milan, Italy
- Interior Area: 10,000–11,700 m²
- Visitor Capacity: 40,000
- This magnificent Gothic cathedral, dedicated to St. Mary of the Nativity, is one of Italy’s most famous landmarks, known for its intricate design and towering spires.
- Seville Cathedral – Seville, Spain
- Interior Area: 9,800 m²
- The Seville Cathedral, the largest Gothic cathedral in Europe, is also the burial place of Christopher Columbus. It combines artistic and historical elements from multiple eras.
- Basilica of the Holy Trinity – Fátima, Portugal
- Interior Area: 8,700 m²
- Located in the sanctuary of Fátima, this basilica is part of one of the most important pilgrimage sites for Catholics worldwide, renowned for its connection to the Marian apparitions of 1917.
- Basilica of Saint Paul Outside the Walls – Rome, Italy
- Interior Area: 8,515 m²
- As one of the four major basilicas in Rome, this church is a significant religious site, known for its historical importance and its striking architecture.
- Liverpool Cathedral – Liverpool, England
- Interior Area: 8,400 m²
- The Liverpool Cathedral, a blend of Gothic and modern architecture, is the largest cathedral in the UK and is known for its stunning design and acoustics.
- Basilica Cathedral of Our Lady of the Pillar – Zaragoza, Spain
- Interior Area: 8,318 m²
- This basilica is one of Spain’s most revered religious buildings, situated in Zaragoza. It is known for its baroque architecture and historical significance in the Catholic Church.
Notable Mentions
While these are the top 10 largest churches by interior area, it’s important to highlight the Yoido Full Gospel Church in Seoul, South Korea, which boasts the largest exterior area. With more than 44,000 m² of exterior space, it is considered the world’s largest church in terms of its external grounds.
Conclusion
Churches and cathedrals are not only places of worship but also cultural symbols that embody the religious, architectural, and historical legacy of their regions. The largest churches across the world offer a blend of grandeur, spiritual significance, and architectural beauty that continues to attract millions of visitors and pilgrims annually.








