
The WHO has published its first-ever global five-year breast cancer survival estimates, covering 194 countries. The global median survival rate is 77.8%, but that number masks a troubling divide — survival rates range from just 39.1% in Africa to 88.5% in the Americas. Income level is a major driver, with low-income countries seeing survival rates less than half those of high-income nations.
The World Health Organization has released its first-ever global five-year breast cancer survival estimates, covering women diagnosed between 2017 and 2021 across all 194 WHO Member States. Published in Nature Medicine, the report reveals dramatic inequality — while the global median survival rate sits at 77.8%, that figure conceals enormous regional and economic disparities.
Geography and income are powerful predictors of who survives. Women in the African Region face a five-year survival rate of just 39.1%, compared to 88.5% in the Americas and 84.0% in Europe. The pattern holds across income levels — survival climbs steadily from 41.9% in low-income countries to 87.3% in high-income ones. A key driver is late-stage diagnosis, which remains far more common in lower-resource settings.
By the Numbers:
Why it matters: These estimates give every country a baseline to measure progress and identify gaps in early detection and treatment. For the two-thirds of countries without cancer registry data, the report also highlights a critical surveillance gap that must be addressed to close the survival divide.