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Undiagnosed diabetes cases pose a significant global health challenge, with the Western Pacific region facing the highest burden. An estimated million people in this area are living with undetected diabetes, highlighting the urgent need for improved screening and awareness programs. This alarming figure underscores the importance of early diagnosis and intervention in managing the growing diabetes epidemic worldwide.

Regional disparities in diabetes detection

The prevalence of undiagnosed diabetes varies significantly across regions. Southeast Asia follows the Western Pacific with **** million undetected cases, while the Middle East and North Africa report **** million. Europe, Africa, North America and the Caribbean, and South and Central America have comparatively lower numbers, ranging from ** million to **** million undiagnosed cases. These regional differences may reflect variations in healthcare access, screening programs, and public awareness. In Africa, the situation is particularly concerning, with an estimated ** percent of adults living with diabetes remaining undiagnosed.

Global impact and economic burden

Diabetes has far-reaching consequences, both in terms of health outcomes and economic costs. Worldwide, there were approximately *** million adults with diabetes in 2024, a number projected to rise to million by 2050. The disease is a leading cause of death globally, claiming **** million lives in 2021. The economic burden is also substantial, with the United States alone spending around  billion U.S. dollars on diabetes health expenditure in 2024. However, the cost per patient varies widely, from over * U.S. dollars in Switzerland to just ** U.S. dollars in Bangladesh, highlighting significant disparities in healthcare resources and access across countries.