Quantify the scale of untreated mental health conditions globally, assess the burden on health systems and economic productivity, and identify the structural barriers preventing mental health from achieving parity with physical health in healthcare systems.

WHO Global Burden of Disease database analysis (2020–2024), cross-referenced with national health survey data from 50 countries. Economic impact modeling using disability-adjusted life years (DALYs) and lost productivity estimates. Policy landscape review of mental health budgets across 150 countries.

Mental disorders affect 1 billion people globally, representing 7% of the global burden of disease — yet mental health receives <2% of global health spending. Untreated depression and anxiety alone cost the global economy $1 trillion annually in lost productivity. In low-income countries, 75–90% of people with serious mental illness receive no treatment.

The psychiatrist-to-population ratio ranges from 1:500 in wealthy nations to 1:1 million in some African countries. COVID-19 increased mental health service demand by 25–40% globally while funding remained flat. Suicide kills 700,000+ annually, making it one of the leading causes of death in young adults, yet suicide prevention receives minimal policy attention or funding.