#Quakers, 

also called Friends, are a historically Christian denomination whose formal name is the Religious Society of Friends or Friends Church.[2] Members of the various Quaker movements are all generally united by their belief in the ability of each human being to experientially access the light within, or "that of God in every one".[3]

Some may profess the priesthood of all believers, a doctrine derived from the First Epistle of Peter.[4][5][6][7] They include those with evangelical, holiness, liberal, and traditional Quaker understandings of Christianity. There are also Nontheist Quakers whose spiritual practice is not reliant on the existence of God. To differing extents, the different movements that make up the Religious Society of Friends/Friends Church avoid creeds and hierarchical structures.[8] In 2007, there were about 359,000 adult Quakers worldwide.[9] In 2017, there were 377,557 adult Quakers, with 49% in Africa.[10]

Around 89% of Quakers worldwide belong to the "evangelical" and "programmed" branches of Quakerism[11]—these Quakers worship in services with singing and a prepared message from the Bible, coordinated by a pastor. Around 11% of Friends[12] practice waiting worship, or unprogrammed worship (more commonly known today as Meeting for Worship), where the order of service is not planned in advance, is predominantly silent, and may include unprepared vocal ministry from those present. Some meetings of both types have Recorded Ministers in their meetings—Friends recognised for their gift of vocal ministry.[13] weki