Mental Health A-Z

The Organization for Economic Co-operation and Development (OECD)

A global organisation with membership from 34 countries which works to promote policies that aim to improve the economic and social well‑being of people around the world. Representatives of the 34 OECD member countries meet in specialised committees to advance ideas and review progress in specific policy areas, such as economics, trade, science, employment, education or financial markets.

Twelve month disorder

Having experienced symptoms of a mental or physical disorder in the last twelve months.

Twelve month prevalence

The prevalence of a mental or physical disorder in the population over the last 12 months.