The New Age (also referred to as the New Age movement, New Age spirituality, and Cosmic Humanism) is a decentralized Western social and spiritual movement that seeks "Universal Truth" and the attainment of the highest individual human potential. It includes aspects of Occultism, astrology, esotericism, metaphysics, alternative medicine, music, collectivism, sustainability, and nature. New Age spirituality is characterized by an individual approach to spiritual practices and philosophies, and the rejection of religious doctrine and dogma.

The New Age movement includes elements of older spiritual and religious traditions ranging from atheism and monotheism through classical pantheism, naturalistic pantheism, and panentheism to polytheism combined with science and Gaia philosophy: particularly archaeoastronomy, astronomy, ecology, environmentalism, the Gaia hypothesis, psychology, and physics. New Age practices and philosophies sometimes draw inspiration from major world religions: Buddhism, Chinese folk religion, Christianity, Hinduism, Islam, Judaism; with particularly strong influences from East Asian religions, Gnosticism, Neopaganism, New Thought, Spiritualism, Theosophy, Universalism, and Western esotericism. Additional terms for the movement include All is One and Mind-Body-Spirit.

The modern New Age movement emerged in a distinct form in the late 1960s and early 1970s, although its roots can be traced back to the 19th and early 20th centuries. It gained momentum in the 1980s and strengthened with the Harmonic Convergence event in 1987. Diverse individuals from around the world practice New Age spirituality.