The AAIDD International Interest Network has translated the three-pronged definitional/diagnostic criteria for intellectual disability. Initial translations in 2019 used the 11th edition of the AAIDD Manual (2010); many translations now reflect the 12th edition of the manual, published in 2021.
AAIDD gratefully acknowledges those who translated and those who reviewed the translations for fidelity to its manuals.
*The upper limit of the definition of the developmental period in the 11th edition was age 18; in response to new research findings on brain development, the upper limit of the developmental period in the 12th edition was raised to age 22.
Tell me About ID: Making the Definition of Intellectual Disability Accessible Around the World.
(2019). AAIDD International Interest Network.