## Global Diabetes Prevalence **High-Yield:** The IDF Diabetes Atlas 10th edition (2021) reports that approximately **10.7% of the global adult population (537 million people aged 20–79 years) have diabetes mellitus**. This represents a significant increase from previous decades and underscores the pandemic nature of diabetes worldwide. ### Key Epidemiological Facts **Key Point:** Type 2 diabetes accounts for approximately 90–95% of all diabetes cases globally, while Type 1 diabetes represents 5–10%. **Key Point:** The prevalence is projected to rise to 12.2% (783 million people) by 2030 and 13.6% (924 million people) by 2045 if current trends continue. ### Regional Variation | Region | Prevalence (%) | Population Affected | | --- | --- | --- | | Southeast Asia | ~12.1% | Highest absolute numbers | | Middle East & North Africa | ~11.5% | High prevalence | | Western Pacific | ~10.9% | Large population base | | Europe | ~8.5% | Moderate prevalence | | Africa | ~4.0% | Lower but rising | **Clinical Pearl:** India has the second-highest absolute number of people with diabetes globally (approximately 74 million), after China, making diabetes a major public health priority in South Asia. **Mnemonic: IDF 10.7 Rule** — 10.7% prevalence, 537 million people, 2021 baseline.
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