Socio-economic inequalities and cancer mortality among adolescents and young adults between 2000 and 2023

Higher Human Development Index is linked to lower cancer mortality among adolescents and young adults (15–39) across 37 countries from 2000–2023, with lower-middle-income rates at 3.7 vs 1.5 per 100,000.

• Why it matters: International evidence on how socioeconomic conditions shape cancer mortality in AYAs is limited, despite growing concern and policy attention in France and beyond.
• What they did: Using Global Burden of Disease 2023 data for 15–39-year-old cancer patients across 37 countries (2000–2023) plus UNDP/World Bank socioeconomic indicators, the study applied descriptive statistics, correlations, PCA, classification, trend analyses (EAPC/Joinpoint), and panel data models.
• The result: Mortality-to-incidence ratio falls from 0.45 to 0.15 with higher income, and Joinpoint shows sex- and cancer-type-specific temporal heterogeneity, supporting socioeconomic determinants as key drivers of cross-country AYA mortality inequalities.

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