Over 1 billion people worldwide are living with mental health disorders, according to the World Health Organization’s latest 2025 data. In the United States alone, 23.4% of adults—approximately 61.5 million people—experienced mental illness in 2024, with 5.6% experiencing serious mental illness that substantially impairs functioning. This represents one of the most pressing public health challenges of our time, with mental health conditions ranking as the second leading cause of long-term disability globally.

Mental health conditions affect far more people than you might think. Over 1 billion people globally are living with mental health disorders, according to the World Health Organization’s latest data from September 2025. In the United States alone, 23.4% of adults—approximately 61.5 million people—experienced mental illness in the past year. Yet many suffer in silence, unaware of their condition or hesitant to seek help due to shame, stigma, or misinformation.