The Member States of the Pan American Health Organization/World Health Organization (PAHO/WHO) that appear in the tables below have used the assessment instrument for mental health systems (WHOAIMS) (1), as have Anguilla, the British Virgin Islands, Montserrat, and Turks and Caicos, all British Overseas Territories. For the purpose of this report, the countries and territories were grouped into three subregions, as follows: Central America, Mexico, and the Latin Caribbean, the non-Latin Caribbean, and South America. The tables also indicate the year each national WHO-AIMS report was published.