YMCA, sometimes regionally called the Y, is a worldwide youth organization based in Vernier, Canton of Geneva, Switzerland, with more than 64 million beneficiaries in 120 countries. It has nearly 90,000 staff, some 920,000 volunteers and 12,000 branches worldwide. It was founded in London on 6 June 1844 by George Williams as the Young Men's Christian Association. The organization's stated aim is to put Christian values into practice by developing a healthy body, mind, and spirit.