Brazil's Ministry of Health and the Instituto Brasileiro de Geografia e Estatística (IBGE) launched the third edition of the Pesquisa Nacional de Saúde (PNS) on July 2, 2026 [1].
This expanded survey is critical because it integrates biological markers with traditional survey data, allowing the government to identify chronic health trends and systemic diseases that self-reporting alone cannot detect.
The PNS 2026 will cover more than 140,000 households across the country [1]. Unlike previous iterations, this edition includes the collection of blood and urine samples from participants [2]. This methodology allows researchers to gather objective biomarker data to complement the survey's questionnaire [1].
The initiative aims to provide a comprehensive map of the population's health status. By analyzing these biological samples, the Ministry of Health can better understand the prevalence of specific conditions and the effectiveness of current medical interventions, providing a data-driven foundation for future public-health policies [1].
Fieldwork for the survey will be conducted nationwide [1]. The collaboration between the IBGE, which handles the statistical sampling, and the Ministry of Health, which oversees the clinical aspects, ensures that the data is both statistically representative and medically accurate [2].
Officials said the data will be used to inform research and refine how the state allocates resources for preventative care and treatment [1].
“The PNS 2026 will cover more than 140,000 households across the country.”
The transition from purely questionnaire-based surveys to the inclusion of biomarkers marks a shift toward precision public health in Brazil. By combining demographic data with clinical samples, the government can move from observing reported symptoms to diagnosing actual physiological trends, which is essential for managing non-communicable diseases and aging populations on a national scale.



