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This study examines global, regional, and national trends in melanoma and non-melanoma skin cancer (NMSC) burden from 1990 to 2021, their socioeconomic associations, and projects future trends. Data was extracted from the Global Burden of Disease (GBD) 2021 database, focusing on malignant melanoma, basal cell carcinoma (BCC), and squamous cell carcinoma (SCC). Joinpoint regression, age-period-cohort modeling, and decomposition analysis were used to assess temporal trends. The Socio-Demographic Index (SDI) was applied to examine the correlation between skin cancer burden and socioeconomic development, and ARIMA models forecasted future trends. The global burden of skin cancers has shown significant growth over the study period, with the age-standardized incidence rate (ASIR) rising globally (Estimated Annual Percentage Change, EAPC = 1.94%) from 1990 to 2021. This increase was particularly pronounced for BCC and SCC, while the melanoma DALYs rate declined (EAPC = -0.67%). In 2021, the most recent year covered, the global incidence of skin cancers was 6.64 million cases, with an ASIR of 77.66 per 100,000 and a disability-adjusted life years (DALYs) burden of 2.89 million cases. Significant geographic disparities were observed, with Australasia and North America reporting the highest ASIR, while middle-SDI regions exhibited rapid increases. Skin cancer incidence is rising globally, driven by demographic changes, increased UV exposure, and improved detection. The burden of melanoma has decreased, which may be related to advances in treatment. Targeted prevention, equitable access to care, and tailored regional strategies are crucial to mitigating the growing impact of skin cancers worldwide.
Zhou et al. (Tue,) studied this question.