Buddhist Lamaist 50%, Shamanist and Christian 6%, Muslim 4%, none 40% (2004)
Roman Catholic 41.9%, Protestant 42% (Anglican 35.9%, Pentecostal 4.6%, Seventh Day Adventist 1.5%), Muslim 12.1%, other 3.1%, none 0.9% (2002 census)
Languages
Khalkha Mongol 90%, Turkic, Russian (1999)
English (official national language, taught in grade schools, used in courts of law and by most newspapers and some radio broadcasts), Ganda or Luganda (most widely used of the Niger-Congo languages, preferred for native language publications in the capital and may be taught in school), other Niger-Congo languages, Nilo-Saharan languages, Swahili, Arabic
