Yoido Full Gospel Church

Listen for a moment. On a Sunday morning, the first thing you notice here is the sound of feet. Thousands of them, moving in steady waves across the pavement and up the steps. Buses pull in and empty out. Ushers guide people toward the doors with calm, practised gestures. Somewhere inside, a choir is warming up. The wind off the Han River carries it all across the plaza. You are standing outside one of the largest Christian congregations ever gathered in one place.

This is Yoido Full Gospel Church, on Yeouido, a flat island in the middle of the Han River. Today the island is Seoul's financial district. Glass towers, bank headquarters and the domed National Assembly building stand only a short walk away. It can feel strange to find a church of this scale among trading floors and broadcasting studios. But the church and the modern island grew up side by side, and their stories are closely tied together.

The beginning was very small. In 1958, a young preacher named David Yonggi Cho and his co-worker Choi Ja-shil began holding services in a tent in a poor neighbourhood of western Seoul. Korea was still recovering from the war of the early 1950s. Many families had lost homes, work and relatives. Choi Ja-shil was older than Cho, and she later became his mother-in-law. Accounts of those early years describe a handful of worshippers sitting on straw mats inside the tent, praying for food, health and hope.

The church belongs to the Pentecostal tradition. In simple terms, this is a branch of Protestant Christianity that places strong weight on the Holy Spirit, on healing, and on emotional, spoken prayer. Here is the first thing many visitors do not expect. In some services, the whole congregation prays aloud at the same time, each person in their own words. The result is not chanting. It is a rolling wave of thousands of separate voices, rising and falling together.

The congregation grew quickly through the 1960s. It moved from the tent to a larger building, and then it outgrew that too. In 1973, the church opened its new sanctuary here on Yeouido. At the time, the island was still being developed, and much of it was open land. The church arrived before most of the towers you see now. In a sense, the skyscrapers came to the church, and not the other way around.

How does one church grow so large? The answer is the second surprise. Its strength was never only the great hall in front of you. It was thousands of tiny meetings in ordinary apartments across the city. Cho built a system of cell groups, small circles of neighbours who met at home each week to pray and support one another. Many of the leaders of these groups were women. In a society that rarely gave women public authority, this gave many of them a real role.

By the end of the twentieth century, the church was often described as the largest single congregation in the world. Membership figures in the hundreds of thousands were widely reported. Over the years, the church also planted many satellite churches around Seoul, and some later became independent. So the number of people connected to this place has always been hard to count exactly. What is clear is the scale you can see on a Sunday, with service after service filling the hall.

Now look at the main sanctuary itself. From outside, the building is broad and low rather than tall. Its curved roofline stretches wide, a little like a great tent. Whether or not that echo of the first tent was intended, many visitors notice it. Inside, the hall is shaped like a vast amphitheatre. Balconies curve around a central stage, and every seat looks toward the pulpit and the choir loft behind it.

If you attend a service, notice how carefully everything is organised. Large screens show the preacher's face to people far up in the balconies. An orchestra and a robed choir lead the music. Overflow rooms around the complex show the service on video for latecomers. For international visitors, the church has long offered translation into several languages through headsets, which makes a Korean service surprisingly easy to follow. Ushers are used to guests and will usually point you in the right direction.

The church's influence also reached far beyond its walls. In the late 1980s, it helped found a national daily newspaper, Kukmin Ilbo. It runs a prayer retreat in the hills north of Seoul, where people go to fast and pray for days at a time. Missionaries trained here have worked across Asia, Africa and the Americas. For many Korean Christians abroad, this building is a reference point, a place they visit when they come home.

The story is not without shadows, and it is fair to mention them. In later years, the church faced public criticism and legal disputes over its finances, including cases involving members of its leadership. Some Koreans admire the church deeply. Others see it as a symbol of how large and powerful megachurches became in the country. David Yonggi Cho stepped down as senior pastor in 2008, and he died in 2021. His successor, Lee Young-hoon, has continued to lead the congregation.

You do not have to share the faith to find this place worth understanding. It shows how quickly South Korea changed in a single lifetime. A country of tents and ruins became a country of glass towers. Christianity, once a small minority religion here, became a major part of public life. This hall on a river island is one of the clearest places to see that change, all in one view.

Before you leave, stand still on the plaza for a minute. Look from the wide roof of the sanctuary to the office towers rising behind it. On a weekday, this corner can be quiet, with only a few people crossing toward the subway. On a Sunday, it fills and empties like a tide. As you walk toward the river or the park, listen again for footsteps. Some of them may belong to people whose grandparents once prayed in a tent.