There are more Protestant congregations, 93 "nontraditional" Protestant Christian churches registered with the Kazakh government from 2006 to 2007. There are 83 Roman Catholic churches in Kazakhstan. According to a 2009 national census 26% of Kazakhstan's population is Christian. There are two Baptist organizations in Kazakhstan; the Council of Churches of Evangelical Christians and Baptists, with 1,000 members, and the Baptist Union of Kazakhstan, with 10,000 members. 198 churches affiliated with the Baptist Union registered with the government.
Before conquest of Genghis Khan there used to be some Nestorians.
Map from a 1903 Polish encyclopedia showing the Naiman people living north of Lake Balkhash in eastern Kazakhstan
By the time they were conquered by Genghis Khan most of the Naimans were Christians. They remained so after the Mongol conquest and were among the second wave of Christians to enter China with Kublai Khan. Meanwhile, the Naimans who settled in Western Khanates of Mongol "Empire" all eventually converted to Islam.