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.
Important Note
*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.
Additional Resources
Tell me About ID: Making the Definition of Intellectual Disability Accessible Around the World. (2019). AAIDD International Interest Network.