In 2012, 25.7% of adults in Tanzania aged 25–64 had hypertension, affecting approximately 4 million people. However, most remain unaware of their condition or are not receiving treatment, with only 0.1 million achieving blood pressure control.
In 2015, 23.7% of Kenyan adults aged 18–69 — around 5.7 million people — had hypertension. However, only 0.2 million of these individuals had their condition under control. Awareness and treatment rates remain low.