Humanism and Its Aspirations (subtitled Humanist Manifesto III, a successor to the Humanist Manifesto of 1933) is the most recent of the Humanist Manifestos, published in 2003 by the American Humanist Association (AHA).
[1] The newest one is much shorter, listing six primary beliefs, which echo themes from its predecessors: It has been used as source material for secular and atheist ethics.
[2] Academics and other prominent persons were signatories to the document, attesting "We who sign Humanism and Its Aspirations declare ourselves in general agreement with its substance": 22 Nobel laureates were among the signatories: