When we talk about the biggest cities in South Africa, we’re not just comparing dots on a map—we’re comparing worlds. Johannesburg pulses with the energy of Africa’s economic powerhouse, a sprawling metropolis where fortunes are made and skylines shift. Cape Town hugs its iconic mountain, balancing urban sophistication with breathtaking natural beauty. Durban brings the warmth of the Indian Ocean and the rhythm of Zulu culture. And beyond these famous names lie cities like Gqeberha, Bloemfontein, and Polokwane—each with its own story, its own rhythm, and its own millions of stories to tell.
But defining “biggest” isn’t as straightforward as it seems. Do we count the city proper, the municipal area, or the entire urban agglomeration? Different sources use different methodologies, which is why you’ll see varying numbers depending on where you look. For this guide, we’ve drawn on the most recent 2025-2026 population estimates from authoritative sources to bring you a definitive ranking of South Africa’s largest cities, complete with the context you need to understand what makes each one unique.
Top 10 Biggest Cities in South Africa (2026)
Overview: How We Measure “Biggest”
Ranking cities by population requires some important context. South Africa has several types of urban areas:
– City Proper: The administrative city limits
– Metropolitan Municipality: The official municipal area that includes surrounding suburbs and towns
– Urban Agglomeration: The continuous built-up area that may span multiple municipalities
For this guide, we’ve primarily used **urban agglomeration** or **metropolitan area** populations where available, as these best represent the true size of a city’s population. Different sources may report different figures based on their methodology, which explains why you might see variations across reference materials.
Here is a comparison of the top 10 biggest cities in South Africa by population for 2026:
| Rank | City | Province | Population Estimate (2025–2026) | Source Notes |
|---|---|---|---|---|
| #1 | Johannesburg | Gauteng | 5.5M – 9.4M | Varies by definition; core city over 5.5M, metro area up to 9.4M |
| #2 | Cape Town | Western Cape | 4.5M – 4.7M | Western Cape’s capital and legislative seat |
| #3 | Durban | KwaZulu-Natal | 3.1M – 3.2M | Major port city on the Indian Ocean |
| #4 | Pretoria | Gauteng | 1.6M – 1.8M | Executive capital; part of Tshwane metro |
| #5 | Soweto | Gauteng | ~1.7M | Historically separate, now part of Johannesburg metro |
| #6 | Klipgat | North West | ~1.3M | Large township area |
| #7 | Tembisa | Gauteng | ~1.3M | Large township in Ekurhuleni metro |
| #8 | Gqeberha | Eastern Cape | ~661,000 | Formerly Port Elizabeth |
| #9 | Bloemfontein | Free State | ~496,000 | Judicial capital; part of Mangaung metro |
| #10 | Polokwane | Limpopo | ~452,000 | Limpopo’s capital and largest city |
1: Johannesburg (Gauteng)
Population: 5.5 million – 9.4 million
Johannesburg is South Africa’s largest city and its economic heart. Often referred to as Joburg or Jozi, it began as a dusty mining camp after gold was discovered in 1886 and has since grown into Africa’s most powerful commercial centre . The city serves as the provincial capital of Gauteng, the smallest but wealthiest province in South Africa.
The wide range in population figures reflects different definitions of the city. The core city of Johannesburg proper has over 5.5 million residents , while the greater urban agglomeration—including townships like Soweto and surrounding suburbs—reaches an estimated 7 to 9.4 million people . This makes the Johannesburg metro area one of the largest urban concentrations on the African continent.
As South Africa’s commercial capital, Johannesburg is home to the Johannesburg Stock Exchange (JSE), the headquarters of most major corporations, and the bustling business districts of Sandton and Rosebank. The city’s energy is unmistakable—a constant hum of commerce, creativity, and ambition that draws people from across the continent and around the world.
Key Facts:
– Province: Gauteng
– Role: Commercial capital; provincial capital of Gauteng
– Founded: 1886 (gold rush era)
– Notable: Africa’s economic powerhouse; JSE; Constitution Hill
2: Cape Town (Western Cape)
Population: 4.5 million – 4.7 million
Cape Town is South Africa’s second-largest city and arguably its most iconic. Nestled between Table Mountain and the Atlantic Ocean, it is the country’s legislative capital, hosting Parliament . The city is the capital of the Western Cape province and serves as the primary tourist gateway to South Africa, drawing millions of visitors to its beaches, vineyards, and natural wonders .
The City of Cape Town metropolitan municipality encompasses a vast area that stretches from the Cape Peninsula in the south to suburbs like Bellville and Durbanville in the north. Its population of approximately 4.7 million makes it the largest city in the Western Cape and a major cultural and economic force in the region .
Cape Town’s economy is driven by tourism, finance, retail, and manufacturing. The city has also emerged as a technology hub, with a growing startup scene centred in areas like the V&A Waterfront’s Watershed and Woodstock’s Silicon Cape initiative.
Key Facts:
– Province: Western Cape
– Role: Legislative capital; provincial capital of Western Cape
– Landmark: Table Mountain; Robben Island; V&A Waterfront
– Notable: First human heart transplant performed here (1967)
3: Durban (KwaZulu-Natal)
Population: 3.1 million – 3.2 million
Durban, or eThekwini in isiZulu, is South Africa’s third-largest city and the busiest port on the African continent. Located on the Indian Ocean coast in KwaZulu-Natal province, Durban is known for its subtropical climate, golden beaches, and large population of people of Indian descent, which gives the city a unique cultural flavour .
The eThekwini Metropolitan Municipality includes the city centre, surrounding suburbs, and vast townships like Umlazi and KwaMashu. Its population of over 3.1 million makes it the dominant city in KwaZulu-Natal and a major economic hub for the region .
Durban’s economy is anchored by its port—the largest and busiest in sub-Saharan Africa—as well as tourism, manufacturing, and the sugar industry. The city’s warm Indian Ocean waters make it a popular holiday destination, with attractions ranging from uShaka Marine World to the Golden Mile beachfront.
Key Facts:
– Province: KwaZulu-Natal
– Role: Major port; provincial economic hub
– Population: Over 3.1 million
– Notable: Largest port in Africa; strong Indian cultural influence
4: Pretoria (Gauteng)
**Population: 1.6 million – 1.8 million**
Pretoria is South Africa’s executive capital, hosting the Union Buildings—the official seat of government and the office of the President . Located about 50 kilometres north of Johannesburg, it is part of the City of Tshwane Metropolitan Municipality, which includes surrounding areas like Centurion and Akasia.
The city proper has a population of approximately 1.6 to 1.8 million people, though the broader Tshwane metro area is significantly larger . Pretoria is known for its jacaranda trees, which transform the city into a purple wonderland each spring, earning it the nickname “Jacaranda City.”
As the administrative heart of South Africa, Pretoria is home to numerous government departments, foreign embassies, and research institutions, including the University of Pretoria and the Council for Scientific and Industrial Research (CSIR). The city has a more sedate, organised feel compared to the frantic energy of Johannesburg, with wide streets and historic architecture.
Key Facts:
– Province: Gauteng
– Role: Executive capital
– Municipality: City of Tshwane
– Notable: Union Buildings; jacaranda trees; diplomatic hub
5: Soweto (Gauteng)
Population: Approximately 1.7 million
Soweto, an acronym for South Western Townships, is a large urban area that grew from a collection of segregated townships established for black workers during the apartheid era. Today, it is part of the City of Johannesburg Metropolitan Municipality and is home to nearly 1.7 million people .
Soweto holds an indelible place in South Africa’s history. It was the epicentre of the 1976 Soweto Uprising, when students protested against the imposition of Afrikaans as a medium of instruction, sparking a turning point in the anti-apartheid struggle. Vilakazi Street in Orlando West is the only street in the world to have been home to two Nobel Prize winners: Nelson Mandela and Archbishop Desmond Tutu.
Despite its historical significance, Soweto is not a separate city in administrative terms—it falls under Johannesburg’s metropolitan government. However, its distinct identity and massive population earn it a place on any list of South Africa’s largest urban concentrations.
Key Facts:
– Province: Gauteng
– Status: Part of City of Johannesburg metro
– Population: Nearly 1.7 million
– Notable: 1976 Soweto Uprising; Vilakazi Street; Freedom Tower (formerly Orlando Power Station)
6: Klipgat (North West)
Population: Approximately 1.3 million
Klipgat is a large township area located in the North West province, near the border with Gauteng. According to Worldometer’s 2025 population estimates, it is the sixth-largest urban area in South Africa, with approximately 1.3 million residents .
Like many of South Africa’s largest settlements after the major metros, Klipgat is a densely populated township that developed during and after apartheid to house workers employed in surrounding industrial and mining areas. It forms part of the broader urban network that stretches between Johannesburg and the North West province.
While less internationally famous than Soweto or Tembisa, Klipgat’s sheer population size makes it a significant urban centre in its own right, with all the associated needs for housing, transport, education, and healthcare infrastructure.
Key Facts:
– Province: North West
– Population: Approximately 1.3 million
– Character: Large township area
– Note: Part of the broader Gauteng-North West urban corridor
7: Tembisa (Gauteng)
Population: Approximately 1.3 million
Tembisa is a large township located in the Ekurhuleni Metropolitan Municipality, east of Johannesburg. With an estimated population of nearly 1.3 million people, it ranks as the seventh-largest urban area in South Africa .
Established in 1957 to accommodate black workers displaced from areas like Alexandra, Tembisa has grown into a sprawling, vibrant community with its own economic activity, shopping centres, and transport links. It sits adjacent to the OR Tambo International Airport, one of Africa’s busiest airports, and is closely integrated into the economic fabric of Gauteng’s East Rand.
Tembisa’s name comes from the isiZulu and isiXhosa word “themba,” meaning “hope” or “trust”—a name chosen to represent the aspirations of its founders and residents. Today, it is a bustling centre of informal and formal enterprise, with a strong community identity.
Key Facts:
– Province: Gauteng
– Municipality: Ekurhuleni Metropolitan Municipality
– Population: Approximately 1.3 million
– Location: Near OR Tambo International Airport
8: Gqeberha (Eastern Cape)
Population: Approximately 661,000
Gqeberha, formerly known as Port Elizabeth, is the largest city in the Eastern Cape province and a major seaport on Algoa Bay. The city was renamed in 2021 to reflect its Xhosa heritage, with “Gqeberha” being the isiXhosa name for the Baakens River that flows through the city.
With a population of approximately 661,000, Gqeberha is the eighth-largest urban area in South Africa . It forms part of the Nelson Mandela Bay Metropolitan Municipality, which also includes the neighbouring town of Uitenhage and surrounding areas, bringing the metro’s total population to well over 1 million.
Gqeberha’s economy is driven by the automotive industry, with major manufacturing plants for companies like Ford, General Motors (historically), and Volkswagen. The port handles significant vehicle exports, earning the city its nickname as the “Detroit of South Africa.” Its beaches and mild climate also make it a popular destination for domestic tourists.
Key Facts:
– Province: Eastern Cape
– Former Name: Port Elizabeth
– Population: Approximately 661,000
– Municipality: Nelson Mandela Bay Metropolitan Municipality
– Notable: Automotive manufacturing hub; beautiful beaches
9: Bloemfontein (Free State)
Population: Approximately 496,000
Bloemfontein is South Africa’s judicial capital, hosting the Supreme Court of Appeal . It is the capital of the Free State province and forms part of the Mangaung Metropolitan Municipality. The city proper has a population of approximately 496,000, though the broader Mangaung metro area is larger .
Founded in 1846, Bloemfontein (meaning “fountain of flowers” in Dutch and Afrikaans) has a relaxed, orderly character befitting its role as a judicial and administrative centre. It is home to the University of the Free State, numerous government institutions, and the National Museum.
Despite its modest size compared to Gauteng’s giants, Bloemfontein’s status as one of South Africa’s three capitals (alongside Pretoria and Cape Town) ensures its national importance. The city’s name appears in the official designation of the country’s capitals in multiple languages .
Key Facts:
– Province: Free State
– Role: Judicial capital; provincial capital of Free State
– Population: Approximately 496,000
– Municipality: Mangaung Metropolitan Municipality
– Notable: Supreme Court of Appeal; Naval Hill
10: Polokwane (Limpopo)
Population: Approximately 452,000
Polokwane rounds out the top 10 as the capital and largest city of Limpopo province, South Africa’s northernmost province. With a population of approximately 452,000, it is the major urban centre for a vast region that stretches to the borders of Botswana, Zimbabwe, and Mozambique .
Formerly known as Pietersburg, the city was renamed Polokwane in 2003, adopting the Northern Sotho name meaning “place of safety” or “sanctuary.” It serves as the administrative and economic hub for Limpopo, with a growing economy based on government services, retail, and agriculture.
Polokwane gained international attention when it hosted matches of the 2010 FIFA World Cup at the Peter Mokaba Stadium, named after the famous anti-apartheid activist. The city’s location makes it a crucial gateway for travellers heading to the Kruger National Park and other northern tourism destinations.
Key Facts:
– Province: Limpopo
– Role: Provincial capital of Limpopo
– Population: Approximately 452,000
– Former Name: Pietersburg
– Notable: 2010 FIFA World Cup host city; gateway to Kruger Park
Honourable Mentions: Other Significant Cities
While not making the top 10, several other South African cities deserve mention for their size and importance:
– Evaton (Gauteng): Approximately 773,000 residents—a large township area south of Johannesburg
– Masetjhaba View: Approximately 522,000 residents
– Chief Albert Luthuli Park: Approximately 441,000 residents
– Edendale (KZN): Approximately 343,000 residents, near Pietermaritzburg
– Kimberley (Northern Cape): Approximately 271,000 residents—the capital of the Northern Cape and historic diamond city
– Paarl (Western Cape): Approximately 260,000 residents—part of the Cape Winelands
– Vanderbijlpark (Gauteng): Approximately 257,000 residents—industrial centre on the Vaal River
– Centurion (Gauteng): Approximately 256,000 residents—part of the City of Tshwane metro
– Rustenburg (North West): Approximately 221,000 residents—platinum mining hub
– eMalahleni (Mpumalanga): Approximately 221,000 residents—formerly Witbank; coal mining centre
– George (Western Cape): Approximately 180,000 residents—Garden Route’s largest city
Summary of South Africa’s Largest Cities by Population
| Rank | City | Province | Estimated Population | Key Role |
|---|---|---|---|---|
| 1 | Johannesburg | Gauteng | 5.5M – 9.4M | Commercial capital |
| 2 | Cape Town | Western Cape | 4.5M – 4.7M | Legislative capital |
| 3 | Durban | KwaZulu-Natal | 3.1M – 3.2M | Major port |
| 4 | Pretoria | Gauteng | 1.6M – 1.8M | Executive capital |
| 5 | Soweto | Gauteng | ~1.7M | Historic township |
| 6 | Klipgat | North West | ~1.3M | Township area |
| 7 | Tembisa | Gauteng | ~1.3M | Ekurhuleni township |
| 8 | Gqeberha | Eastern Cape | ~661,000 | Auto manufacturing |
| 9 | Bloemfontein | Free State | ~496,000 | Judicial capital |
| 10 | Polokwane | Limpopo | ~452,000 | Limpopo capital |
Frequently Asked Questions About South Africa’s Biggest Cities
What is the largest city in South Africa?
The largest city in South Africa is Johannesburg, with a core city population of over 5.5 million and a metropolitan area population estimated between 7 and 9.4 million . It serves as the commercial capital and the economic engine of the country.
Is Soweto a separate city from Johannesburg?
No, Soweto is not a separate city administratively. It is part of the City of Johannesburg Metropolitan Municipality. However, with nearly 1.7 million residents, it is often discussed as a distinct urban area and holds immense historical and cultural significance .
Why do population figures vary so much between sources?
Different sources use different definitions of what constitutes a city. Some count the “city proper” (the official administrative boundaries), while others count the “urban agglomeration” (the continuous built-up area) or the “metropolitan municipality” (the official governmental area that may include multiple towns and suburbs). Johannesburg’s figures vary widely because the city proper has about 5.5 million people, but the greater urban area sprawls across multiple municipalities and exceeds 9 million .
What are South Africa’s three capital cities?
South Africa is unique in having three capital cities :
– Pretoria is the executive capital (seat of government)
– Cape Town is the legislative capital (seat of Parliament)
– Bloemfontein is the judicial capital (seat of the Supreme Court of Appeal)
How many people live in South Africa in 2026?
South Africa’s population is estimated at approximately 63 to 65 million people in 2026, depending on the source. Britannica estimates 63.4 million , while Worldometer’s real-time tracker shows over 65.4 million . About 67% of the population lives in urban areas .
What is the fastest-growing city in South Africa?
While specific growth rates aren’t provided in the search results, Gauteng province—home to Johannesburg, Pretoria, and much of the urban complex—is the fastest-growing economic region and continues to attract migrants from other provinces and neighbouring countries. Cities in Gauteng generally experience the most rapid population growth.
Is Durban bigger than Cape Town?
No, Cape Town is larger than Durban. Cape Town’s population is estimated at 4.5 to 4.7 million, while Durban’s is approximately 3.1 to 3.2 million . However, Durban remains the largest city in KwaZulu-Natal and the busiest port in Africa.
What is the smallest province’s capital city?
Kimberley, the capital of the Northern Cape, is one of the smaller provincial capitals with approximately 271,000 residents . The Northern Cape is South Africa’s largest province by area but has the smallest population.
How many official languages does South Africa have?
South Africa has 12 official languages, including English, Zulu, Xhosa, Afrikaans, and others. The country’s official name is expressed in each of these languages .
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With this comprehensive guide, you can now navigate South Africa’s urban landscape with confidence. From the bustling metropolis of Johannesburg to the administrative dignity of Pretoria, from the coastal charm of Cape Town to the industrial heart of Gqeberha, each of these cities contributes uniquely to the rich tapestry that is South Africa in 2026.