What question did this study set out to answer?

This analysis aims to understand how population ageing affects COVID-19 case rates across nations.

March 1, 2026SHILAP Revista de lepidopterología0 citationsOpen Access

Significant but small: the modest impact of population ageing on reported COVID-19 case rates worldwide.

WYWenpeng YouWaterNSW FDFrank DonnellyMurdoch University LGLuísa Rodrigues GarciaWestern Sydney University

Key Points

This analysis aims to understand how population ageing affects COVID-19 case rates across nations.
Cross-national assessment of COVID-19 case rates
Examination of the impact of ageing and structural factors
Utilization of the Henneberg Index for evaluation
Population ageing contributes only modestly to variations in case rates globally.
Broader structural factors have a significantly larger impact.
Public health strategies need enhancement to improve data interpretation.

Abstract

Population ageing contributes modestly to cross-national variation in COVID-19 case rates. Broader structural factors and the Henneberg Index play a substantially larger role, underscoring the importance of public health strategies that strengthen surveillance capacity and interpretation of pandemic data at the global level.

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