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With only rare exceptions, which will be mentioned below, acne occurs in every country of the world where studies have been conducted.
Indeed, the Global Burdens of Disease Study estimated that it affected 9.4% of the world’s population at any given time, making it the 8th most common disease worldwide.
Comparing rates precisely across different countries is tricky due to studies adopting different methods of clarification and different examination techniques, as reviewed by Tan and Bhate. One fairly consistent finding, however, is that acne tends to be more common among women but more severe in men than in women.