Nigeria
A congregation is a group of people; i.e. the church had a large congregation.
The people attending a church service are called a congregation.
Church of Nigeria's population is 18,000,000.
Church of Nigeria was created in 1979.
The cast of Remake - 2012 includes: Mary Caruso as Church Congregation Kate Cloutier as Colleen DeRidder Barry Drones as Church Congregation Kerry Eckert as Church Congregation Jamie Everhart as Church Congregation Heidi Gyllen as Officer Jill Benge Erica Holmes as Church Congregation Hope Kimmel as Number 26 Paul Leither as Church Congregation McKenna Lorenzen as Church Congregation Donna Marie Beard as Julie Booker Dani Palmer as Megan Slayton Lisa Pechmiller as Ellie Mae Doug Phillips as Pastor Carl Slayton Amy Poulson as Church Congregation Mark Scanlan as Church Congregation Stephanie Shively as Church Congregation Destiny Soria as Church Congregation Theresa Stecker as Number 25 Heather Surdukan as Woman on TV Sarah Talcott as Number 27 Joel Thingvall as Joe Booker Faith Udeh as Det. Diane Ripley Diane Visser as Church Congregation Karen Voels as Church Congregation Brady Voels as Church Congregation Angela Walberg as Number 24 Roxanne Williams as Roxy Andy Winters as Jerry
Check Google--Okay, I checked. answer: Yoido Full Gospel Church is a Pentecostal church on Yeouido (Yoi Island) in Seoul, South Korea. With about 1,000,000 members (2007), it is the largest Pentecostal Christian congregation in South Korea and the world
the largest export in nigeria is crude oil
They are the congregation.
The largest country in Africa by population is Nigeria with a population of 135,031,164
I don't know if there is a word that refers to a small group of people at a church, but I do know that a group of people at a church if you are referring to everyone in the church as a whole would be called a congregation.
St. Louis Cathedral is both the oldest congregation but also the oldest Church building in Louisiana, they came together in 1718, and the Church was built in 1793. They have both been in continuous use.