Jehovah's Witnesses is a millenarian restorationist Christian denomination with nontrinitarian beliefs distinct from mainstream Christianity. The group reports a worldwide membership of approximately 8.7 million adherents involved in evangelism and an annual Memorial attendance of over 17 million. Jehovah's Witnesses are directed by the Governing Body of Jehovah's Witnesses, a group of elders in Warwick, New York, United States, which establishes all doctrines based on its interpretations of the Bible. They believe that the destruction of the present world system at Armageddon is imminent, and that the establishment of God's kingdom over the earth is the only solution for all problems faced by humanity.