Mental Health Lifestyle and Preventive Health
ADHD Rates by Country 2026
- Data are estimates from the Institute for Health Metrics and Evaluation and are based upon the best available data. As all estimates involve some degree of possible inaccuracy, the highest and lowest imagined values are shown as well.
- Data displayed are the values per 100,000 individuals in the given country’s population.
ADHD Rate (Per 100K) Estimated number of people with ADHD per 100,000 population in a given country.
Upper and Lower Values Estimated statistical range used to reflect uncertainty and variation in reported ADHD prevalence.
Diagnostic Variation Differences in screening practices, awareness, healthcare access, and reporting standards between countries.
Countries With High ADHD Rates
Countries with high reported ADHD rates generally exceed roughly 1,500 cases per 100,000 people, though differences in diagnosis and reporting standards can influence these figures.
These countries include Haiti, Belize, Guyana, Dominican Republic, Suriname, Jamaica, Bahamas, Dominica, Saint Vincent and the Grenadines, Grenada, Antigua and Barbuda, Saint Kitts and Nevis, Trinidad and Tobago, Saint Lucia, Cuba, Saudi Arabia, Barbados, Iran, Venezuela, Australia, Paraguay, Egypt, Bolivia, Ecuador, United States Virgin Islands, Turkey, Puerto Rico, Peru, Bermuda, Brazil, Spain, Ireland, and China.
Countries With Moderate ADHD Rates
Most countries fall into the moderate ADHD range, generally between roughly 800 and 1,500 cases per 100,000 people.
This middle range includes much of Africa, Europe, the Middle East, and parts of Asia and Oceania, reflecting the broad global concentration of reported ADHD rates.
Countries With Low ADHD Rates
Countries with low reported ADHD rates generally fall below roughly 800 cases per 100,000 people.
These countries include South Korea, Guam, India, Greece, San Marino, Palau, Portugal, Yemen, Pakistan, Italy, Monaco, Mexico, Timor-Leste, Philippines, Tajikistan, Nepal, Laos, Bhutan, Maldives, Taiwan, Kyrgyzstan, Bangladesh, Turkmenistan, Cambodia, Myanmar, Mongolia, Norway, Uzbekistan, Kazakhstan, Azerbaijan, Seychelles, Mauritius, Georgia, Montenegro, Armenia, North Macedonia, Serbia, Albania, Belarus, Russia, Moldova, Romania, Slovakia, Estonia, Poland, Czechia, Bosnia and Herzegovina, Latvia, Hungary, Lithuania, Slovenia, Ukraine, Malaysia, Croatia, Bulgaria, Indonesia, United Arab Emirates, Vietnam, and Germany.
Why ADHD Rates Vary by Country
Reported ADHD rates can differ significantly between countries due to variations in healthcare access, diagnostic standards, public awareness, and cultural attitudes toward mental health.
Countries with more developed screening systems and greater mental health awareness often report higher rates, while lower reported rates may reflect underdiagnosis, limited healthcare infrastructure, or differences in how symptoms are recognized and classified.
