Rising Kidney Disease Among Young People in Africa: Drivers, Impacts, and Policy Options

Chronic kidney disease (CKD) is quietly becoming one of Africa’s most consequential public health failures. Unlike most high-income countries, where the disease predominantly burdens older populations, African studies consistently show that CKD strikes the young: patients presenting in their 20s, 30s, and 40s, often in the prime of their economic lives.

This demographic skew transforms a health crisis into an economic one. When a 34-year-old smallholder farmer or a 28-year-old factory worker develops kidney failure, the consequences ripple outward: household incomes collapse, dependents lose their primary caregiver, and health systems absorb costs they were never built to sustain. Maintenance haemodialysis, frequently the only available treatment, can cost more than an entire household’s annual income, financed almost entirely from out-of-pocket payments across much of sub-Saharan Africa.

Africa is simultaneously experiencing rapid urbanization, a rising burden of non-communicable diseases, and the compounding effects of climate change, all of which are amplifying kidney disease risk. Without a decisive policy shift toward prevention, early detection, and equitable treatment, demand for costly renal replacement therapy will continue to outpace a health workforce and infrastructure that is already critically strained.

Recent nephrology research across Africa documents several converging trends that have moved kidney disease from a secondary concern into an urgent priority.

The rapid increase in hypertension, diabetes, obesity, and cardiovascular disease is the primary driver of CKD across the continent. Urbanization, dietary changes, tobacco use, physical inactivity, and increasing life expectancy have accelerated this trend faster than health systems have been able to respond.

Infectious diseases continue to play an important role in kidney damage across Africa. Major contributors include HIV-associated kidney disease, hepatitis B and C, recurrent bacterial infections, severe malaria, tuberculosis-related complications, and pregnancy-related disorders such as preeclampsia. Repeated episodes of acute kidney injury caused by severe infections or obstetric complications may significantly increase the risk of developing chronic kidney disease later in life.

Current evidence suggests that CKDu may result from multiple overlapping exposures rather than any single cause. Potential contributors documented in African research include:

Climate change is expected to worsen many of these risks by increasing the frequency and intensity of extreme heat events, particularly for workers in agriculture and construction. Emerging international research also suggests that long-term exposure to air pollution may contribute to CKD, though African-specific evidence remains limited.

Kidney disease imposes substantial costs on individuals, families, and governments across the continent. Because CKD commonly affects working-age adults, many households experience reduced income while simultaneously facing catastrophic healthcare expenses.

Across much of sub-Saharan Africa, dialysis is financed largely through out-of-pocket payments. The annual cost of maintenance haemodialysis frequently exceeds average household income, making long-term treatment unaffordable for most families. Families often sell assets, borrow money, or discontinue treatment entirely, with predictable and fatal consequences. Treatment discontinuation and preventable mortality remain common outcomes.

The loss of young workers reduces national productivity, increases dependency ratios, and contributes to long-term poverty. Kidney transplantation, which offers a better quality of life and lower long-term cost than dialysis, remains accessible only to a small proportion of patients because of cost, limited donor programmes, and shortages of specialist services.

Governments should establish national CKD and CKDu registries that collect standardized data on age, sex, occupation, geographic location, underlying causes, and treatment outcomes. Kidney disease indicators should be integrated into existing non-communicable disease and HIV surveillance systems. More longitudinal research is needed in agricultural, mining, and industrial communities to better understand environmental and occupational risk factors unique to African populations.

Routine screening should become a standard component of primary healthcare, particularly for high-risk populations. Recommended screening tools include blood pressure measurement, urine dipstick testing for protein, serum creatinine, estimated glomerular filtration rate (eGFR), and blood glucose testing. Community health workers should receive training to identify high-risk individuals, promote hydration, encourage early screening, and facilitate timely referral.

Governments and civil society should implement kidney health campaigns targeting communities on early signs of kidney disease, blood pressure control, diabetes prevention, safe medication use, risks of excessive NSAID use, potential harms of unregulated herbal medicines, the importance of hydration during extreme heat, and prevention and early treatment of infections. Schools, universities, workplaces, radio stations, and digital media can support youth-focused campaigns.

Expanding nephrology training programmes, increasing dialysis centres outside major cities, strengthening organ transplantation services, and including kidney care within Universal Health Coverage packages are essential steps. Reducing out-of-pocket costs and improving access to essential kidney-protective medicines, including renin-angiotensin system inhibitors and, where clinically appropriate and affordable, SGLT2 inhibitors, should form part of a comprehensive treatment access strategy. Public-private partnerships may help expand capacity while reducing financial barriers.

Governments should enforce stronger regulations on safe pesticide use, industrial waste disposal, mining pollution, heavy metal contamination, and drinking water quality. Occupational health policies should require employers to provide safe drinking water, scheduled hydration breaks, rest periods, shade where feasible, and heat stress prevention measures. Climate adaptation strategies should explicitly recognize kidney health as an emerging occupational health concern.

Women may experience kidney injury related to pregnancy complications including preeclampsia, eclampsia, postpartum haemorrhage, and sepsis, all of which increase the risk of acute kidney injury and future CKD. Ensuring access to quality antenatal, obstetric, and postnatal care is therefore a critical component of kidney disease prevention. Men are disproportionately represented in agricultural, mining, construction, and outdoor occupations where prolonged heat exposure, dehydration, and chemical exposure compound kidney disease risk. Kidney health policies must incorporate gender-responsive strategies addressing both maternal health and occupational safety.