Libya has the highest obesity rates in Africa while Ethiopia has the lowest. List of countries and percent of adults aged 18 and over considered obese.

Here is a list of countries and percent of adults aged 18 and over considered obese in Africa. The five most obese African countries are Libya, Egypt, South Africa, Algeria and Tunisia. 

Obesity is defined as an adult having a Body Mass Index greater to or equal to 30. Most of the world's population lives in countries where overweight and obesity kills more people than underweight, this includes Africa despite the media perception of starving Africans.

Throughout Africa as part of the trend toward greater consumption of convenience foods, demand for fried potatoes is increasing. Over-consumption of these high-energy products, along with reduced physical activity, can lead to overweight. Therefore the role of fried foods in the African diet must be taken into consideration in efforts to prevent overweight, obese and diet related non-communicable diseases, including heart disease and diabetes.

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Obese Rank	African Country	Population	Total Obese	%Obese
1	Libya	6.9 Million	2.2 Million	32.5%
2	Egypt	104.4 Million	33.4 Million	32%
3	South Africa	56.4 Million	15.9 Million	28.3%
4	Algeria	42. 9 Million	11.7 Million	27.4%
5	Tunisia	11.7 Million	3.1 Million	26.9%

Grilled chicken served at a roadside restaurant in central Libya.

Obesity is a complicated but preventable health topic resulting from a combination of causes and individual factors such as behavior and genetics. Once considered a first world problem, obesity is on the rise in low- and middle-income countries in urban African communities.

In urban African populations out of the 20 fastest rising countries with obesity, nearly half are in Africa. Contributing factors include the prevalence of fast food restaurants such as McDonald's and KFC and food marketing and promotion. Libya has the highest obesity rates in Africa while Ethiopia has the lowest.

Obesity is frequently subdivided into categories:

Class 1: BMI of 30 to 35.

Class 2: BMI of 35 to 40.

Class 3: BMI of 40 or higher, class 3 obesity is sometimes categorized as extreme or severe obesity.

Percent of fat people in Africa listed by country.

World Rank	African Country	Percent of Obesity
16	Libya	32.5
18	Egypt	32
31	South Africa	28.3
38	Algeria	27.4
40	Tunisia	26.9
45	Morocco	26.1
114	Botswana	18.8
119	Namibia	17.2
122	Lesotho	16.6
124	Eswatini	16.5
126	Zimbabwe	15.5
127	Gabon	15
130	Seychelles	14
131	Djibouti	13.5
132	Mauritania	12.7
133	Sao Tome And Principe	12.4
134	Cabo Verde	11.8
135	Cameroon	11.4
136	Ghana	10.9
137	Mauritius	10.8
138	Cote D'ivoire	10.3
139	The Gambia	10.3
141	Liberia	9.9
142	Benin	9.6
143	Republic of the Congo	9.6
144	Guinea-Bissau	9.5
145	Nigeria	8.9
146	Senegal	8.8
147	Sierra Leone	8.6
149	Mali	8.6
151	Tanzania	8.4
152	Togo	8.4
153	Somalia	8.3
154	Angola	8.1
155	Zambia	8.1
156	Equatorial Guinea	8
157	Comoros	7.8
158	Guinea	7.7
159	Central African Republic	7.5
160	Mozambique	7.2
161	Kenya	7.1
164	Democratic Republic of the Congo	6.7
165	South Sudan	6.6
166	Sudan	6.6
170	Chad	6.1
173	Malawi	5.8
174	Rwanda	5.8
175	Burkina Faso	5.6
177	Niger	5.5
178	Burundi	5.4
180	Madagascar	5.3
181	Uganda	5.3
183	Eritrea	5
185	Ethiopia	4.5

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Human Waste in Africa — A Sanitation Crisis With Energy Potential

Africa’s sanitation story is often oversimplified. The truth is more complex. Open defecation is still common in many regions — not because people are careless, but because modern toilets, sewers, and waste collection are often unavailable or unaffordable. Millions wash with water and their hands alone because toilet paper and soap are costly. These realities are not stereotypes; they are infrastructure and public health challenges Africa is working to solve.

Did You Know? The World Health Organization estimates that over 200 million Africans still practice open defecation due to poor sanitation infrastructure and cost barriers.

Rapid urban growth makes waste management harder. Cities expand faster than pipes, toilets, and collection systems can be built. Human excreta, along with plastics and electronics, overwhelm city dumps and contaminate water sources.

Turning Waste Into Energy

Waste-to-energy (WTE) is gaining attention as one way to manage this crisis. WTE converts trash, sewage, and agricultural waste into electricity or heat. For African cities where waste piles up and power shortages are common, WTE offers a double benefit: cleaner streets and renewable energy.

Four Waste-to-Energy Projects Making a Difference

Kpone Independent Power Plant — Ghana

Uses municipal waste and natural gas to generate electricity, helping Ghana reduce landfills and dependence on imported power.

Goreangab Water Reclamation Plant — Namibia

Treats wastewater through anaerobic digestion to make biogas for electricity. Supplies up to 20% of Windhoek’s drinking water and keeps sewage out of landfills.

Cairo Waste-to-Energy Plant — Egypt

Combines incineration and gasification to turn household garbage into clean energy. Scheduled for full operation in 2024 and could be a model for North Africa.

Bronkhorstspruit Biogas Project — South Africa

First commercial-scale biogas plant in Africa. Turns manure and poultry litter into more than 100 million kWh of power and diverts 200,000 tons of waste from dumps.

Explore more about African innovations in renewable energy.

WTE Is Common in the U.S. Too

Waste-to-energy isn’t unique to Africa. In the United States, Newark’s Covanta Essex plant burns 2,800 tons of trash daily to power 45,000 homes. Florida’s Palm Beach Renewable Energy Facility 2 creates electricity for 44,000 homes while recovering metals for recycling. These long-running projects show WTE is proven technology — Africa is adapting it to local needs.

Open Defecation — Why It Persists

In many villages and city outskirts, people still relieve themselves in the open or in simple pits. This isn’t cultural preference; it’s necessity. Toilets are expensive to build and maintain. Sewer networks rarely reach informal settlements. Many households dig shallow pits or bury waste, but these can leak into groundwater. Others use water and their left hand to clean — a practical choice where toilet paper is unaffordable.

Some low-cost options exist, like sawdust toilets, but adoption is slow because families must build and maintain them themselves.

Did You Know? NASA astronauts drink water that was once urine — filtered and purified on the International Space Station. Similar technology could one day help African cities safely reuse human waste instead of polluting water sources.

Kiteezi landfill near Kampala, Uganda

The Urban Waste Challenge

Open dumps like Nairobi’s Dandora landfill take in thousands of tons of garbage daily. Informal waste pickers survive by recycling bottles, metals, and plastics, but dumps leak sewage and chemicals into soil and water. Burning trash releases toxic smoke and methane, worsening climate change.

Many cities collect only part of their waste. Trucks are few, roads are poor, and budgets are stretched. As incomes rise, plastics, electronics, and diapers replace organic waste — creating materials that can’t safely decompose.

Why Waste-to-Energy Alone Isn’t Enough

WTE can reduce trash and generate electricity, but plants must be well-managed. Poorly built incinerators can pollute the air. Projects that ignore informal waste workers can destroy jobs. Still, with strong policy and community involvement, WTE can help cities handle both sanitation and power shortages.

The Way Forward

African governments, NGOs, and entrepreneurs are expanding public toilets, safe latrines, and low-cost sanitation technologies. Communities are testing eco-toilets and biogas digesters that turn human waste into cooking fuel. International partners are financing modern landfills and WTE plants.

The challenge is real — open defecation and hand cleaning remain everyday survival strategies — but so is progress. By investing in sanitation and waste-to-energy, Africa can move from a health crisis toward cleaner cities and renewable power.