Number of people living in cities with more than 1 million residents in South Africa

South Africa: Number of people living in cities with more than 1 million residents was 17.85 million people in 2020. ◆ Volatile

Latest (2020)
17.85 million people
World rank
20th
of 182 countries
All-time high
17.85 million people
in 2020
All-time low
0 people
in 1950
Years of data
15
1950–2020

Number of people living in cities with more than 1 million residents in South Africa, 1950–2020

05.0M10.0M15.0M20.0M1950198520201950: 0 people1955: 0 people1960: 0 people1965: 0 people1970: 1.1M people1975: 1.2M people1980: 2.5M people1985: 4.0M people1990: 4.7M people1995: 6.1M people2000: 7.7M people2005: 9.4M people2010: 11.8M people2015: 15.3M people2020: 17.9M people

Source: European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data. Measured in people.

Analysis

South Africa recorded 17.85 million people for number of people living in cities with more than 1 million residents in 2020. That is the highest value across all 15 years on record.

That represents a change of up 51.4% over ten years.

Over the whole period, number of people living in cities with more than 1 million residents in South Africa peaked at 17.85 million people in 2020 and was at its lowest, 0 people, in 1950.

That places South Africa 20th out of 182 countries with data for 2020, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Number of people living in cities with more than 1 million residents in South Africa, year by year

Annual values for Number of people living in cities with more than 1 million residents in South Africa, 1950 to 2020.
Year people Change
1950 0 people —
1955 0 people —
1960 0 people —
1965 0 people —
1970 1.06 million people —
1975 1.18 million people +11.5%
1980 2.47 million people +109.2%
1985 4.00 million people +61.9%
1990 4.73 million people +18.2%
1995 6.06 million people +28.2%
2000 7.68 million people +26.7%
2005 9.35 million people +21.8%
2010 11.79 million people +26.1%
2015 15.29 million people +29.6%
2020 17.85 million people +16.8%

South Africa compared with similar countries

  • South Africa's 17.85 million people is above the median for upper middle income countries, which is 1.95 million people, 9.1× the median. (48 countries reporting)
  • South Africa's 17.85 million people is above the median for Sub-Saharan Africa, which is 1.88 million people, 9.5× the median. (47 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 0 people 0 people 0 people 2
1960s 0 people 0 people 0 people 2
1970s 1.12 million people 1.06 million people 1.18 million people 2
1980s 3.24 million people 2.47 million people 4.00 million people 2
1990s 5.39 million people 4.73 million people 6.06 million people 2
2000s 8.52 million people 7.68 million people 9.35 million people 2
2010s 13.54 million people 11.79 million people 15.29 million people 2
2020s 17.85 million people 17.85 million people 17.85 million people 1

Countries ranked near South Africa

  1. 17 Vietnam 21.58 million people compare
  2. 18 Democratic Republic of Congo 19.22 million people compare
  3. 19 Colombia 17.92 million people compare
  4. 21 Argentina 17.55 million people compare
  5. 22 United Kingdom 17.28 million people compare
  6. 23 Thailand 17.25 million people compare

See the full ranking of 182 places →

More reference data data for South Africa

All data for South Africa →

Frequently asked questions

What is number of people living in cities with more than 1 million residents in South Africa?
Number of people living in cities with more than 1 million residents in South Africa was 17.85 million people in 2020, according to European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data.
What is the highest number of people living in cities with more than 1 million residents recorded in South Africa?
The highest recorded value was 17.85 million people in 2020.
What is the lowest number of people living in cities with more than 1 million residents recorded in South Africa?
The lowest recorded value was 0 people in 1950.
How does South Africa rank for number of people living in cities with more than 1 million residents?
South Africa ranks 20th out of 182 countries with data for 2020.
Is number of people living in cities with more than 1 million residents rising or falling in South Africa?
Over the last ten years it is up 51.4%. The long-run trend across the full record is volatile.
Where does this South Africa data come from?
The figures come from European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as part of Number of people living in cities with more than 1 million residents. Statizoid updates them automatically from the source API.

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Number of people living in cities with more than 1 million residents in South Africa. Statizoid, drawing on European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data. Retrieved 29 September 2026, from https://reference.statizoid.com/stat/urban-agglomerations-more-than-1-million/south-africa/

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About this data

Indicator
Number of people living in cities with more than 1 million residents
Unit
people
Source
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
182 places, 2,532 data points, 1950–2020
Last refreshed

Total population living in cities with 1 million or more people. City boundaries are defined using a consistent global approach based on satellite imagery and population data.