The U.S. government estimates the population at 10.3 million (midyear 2019 estimate). According to the Church of Sweden (Lutheran), approximately 58 percent of citizens are members. According to government statistics and estimates by religious groups, other Christian groups – including the Roman Catholic Church, Pentecostal movement, Missionary (or Missions) Church, Jehovah’s Witnesses, and The Church of Jesus Christ of Latter-day Saints – together total less than 6 percent of the population. The Pew Research Center estimated in 2016 that 8.1 percent of the population is Muslim. According to the Official Council of Swedish Jewish Communities, Jews number approximately 20,000, concentrated mainly in larger cities including Stockholm, Gothenburg, and Malmo.

Smaller religious communities include Buddhists, Hindus, Sikhs, Zoroastrians, and members of the Church of Scientology, Word of Faith, International Society for Krishna Consciousness, Family Federation for World Peace and Unification (Unification Church), and Mandaeism.