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This analysis aims to quantify the disease burden of anxiety and autism spectrum disorders among youth in BRICS nations from 1990 to 2030.

Divergent Trajectories of Youth Mental Health in Emerging Economies: A Global Burden of Disease Analysis of Anxiety and Autism Spectrum Disorders in BRICS Nations (1990–2030)

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A global burden of disease analysis reveals rising anxiety and autism spectrum disorder trajectories in emerging economies.

This analysis aims to quantify the disease burden of anxiety and autism spectrum disorders among youth in BRICS nations from 1990 to 2030.
Evaluated Age-standardized rates of prevalence and disability-adjusted life years from GBD Study 2021
Gauged temporal evolution using Estimated Annual Percentage Change from 1990 to 2021
Projected future burden dynamics to 2030 using linear regression models
Brazil had the highest anxiety prevalence in 2021 at 7661.9 per 100,000
India experienced the steepest increase in anxiety prevalence with an EAPC of +0.91%
China showed a significant decline in anxiety with an EAPC of -0.26%
ASD prevalence remained stable across nations, reflecting differences in diagnostic capacity rather than actual incidence
Young adulthood (20-24 years) had a notable female preponderance in anxiety cases.

Jing Wen (2026) studied this question.

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