Kenya Population Distribution by Malaria Epidemiology

Epidemiology Strata 2009 Population Percentage of Population Cumulative Population
Lake Stable Endemic and Coastal Seasonal Stable Endemic 11,452,028 29.4 29.0
Highland Epidemic Prone 8,007,718 20.3 49.3
Seasonal Low Transmission Arid and Semi-Arid 8,029,683 20.4 67.7
Low Risk 11,933,834 30.3 100


Malaria is the leading cause of morbidity and mortality in Kenya. It accounts for about 30% of all outpatient consultations, 19% of all hospital admissions, and is reported to cause approximately 34,000 deaths annually among children under-five years of age.

The total population at risk of malaria is approximately 23 million, or 70% of the population, including an estimated 3,500,000 children under-five and 1,100,000 pregnant women.