What question did this study set out to answer?

To compare the burden of Alzheimer's disease across eight Latin American countries.

March 22, 2026Open Access

Cross-National Comparison of Alzheimer's Disease Burden in Latin America: Prevalence, Expenditure, and Healthcare Coverage Across Eight Countries

Key Points

To compare the burden of Alzheimer's disease across eight Latin American countries.
Cross-sectional comparative analysis
Utilized a harmonized dataset across eight countries
Measured prevalence, expenditure, and healthcare coverage
Argentina has the highest age-standardized prevalence of 6.2% in population 60+
Mental health expenditure is below 3% in six of eight countries
Neurologist density varies from 0.4 to 3.5 per 100,000 across countries
Correlation exists between prevalence and healthcare infrastructure, indicating underdiagnosis in lower capacity systems

Abstract

Cross-sectional comparative analysis of Alzheimer's disease burden across eight Latin American countries using a harmonized dataset. Argentina shows highest age-standardized prevalence (6.2% of population 60+). Mental health expenditure below 3% in 6 of 8 countries. Neurologist density ranges from 0.4 (Ecuador) to 3.5 (Argentina) per 100,000. Positive correlation between prevalence and healthcare infrastructure suggests underdiagnosis in low-capacity systems. Dataset: https://doi.org/10.7910/DVN/UVHABW (CC0 1.0)

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