Methodism or the Methodist movement is a group of historically related denominations of Protestant Christianity which derive their inspiration from the life and teachings of John Wesley. George Whitefield and John's brother Charles Wesley were also significant leaders in the movement. It originated as a revival within the 18th century Church of England and became a separate denomination after Wesley's death. The movement spread throughout the British Empire, the United States, and beyond because of vigorous missionary work, today claiming approximately 80 million adherents worldwide. 

Wesley's theology focused on sanctification and the effect of faith on the character of a Christian. Distinguishing Methodist doctrines include an assurance of salvation, imparted righteousness, the possibility of perfection in love, the works of piety, and the primacy of Scripture. Most Methodists teach that Jesus Christ, the Son of God, died for all of humanity and that salvation is available for all; in theology, this view is known as Arminianism. This teaching rejects the Calvinist position that God has pre-ordained the salvation of a select group of people. However, Whitefield and several others were considered Calvinistic Methodists and held to the Calvinistic position. Methodism emphasises charity and support for the sick, the poor, and the afflicted through the works of mercy. These ideals are put into practice by the establishment of hospitals, orphanages, soup kitchens, and schools to follow Christ's command to spread the gospel and serve all people.
How many people adhere to this religion?
80 million