South Africa vs Tanzania, United Republic of: Population: comparison of UN projections

South Africa
63.21 million people
in 2023
Tanzania, United Republic of
66.62 million people
in 2023
South Africa rank
24th
Tanzania, United Republic of rank
22nd

Population: comparison of UN projections over time

  • South Africa
  • Tanzania, United Republic of
020.0M40.0M60.0M195019862023

How they compare

Tanzania, United Republic of currently reports 66.62 million people against 63.21 million people in South Africa, a difference of 3.41 million people.

That makes Tanzania, United Republic of's figure about 1.1 times South Africa's.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was South Africa ahead.

South Africa ranks 24th and Tanzania, United Republic of ranks 22nd of 236 countries.

Across the 8 decades both report, South Africa averaged higher in 7 and Tanzania, United Republic of in 1.

Head to head by decade

Decade South Africa Tanzania, United Republic of Difference Ahead
1950s 14.43 million people 8.57 million people 5.86 million people South Africa
1960s 18.89 million people 11.36 million people 7.53 million people South Africa
1970s 25.38 million people 15.93 million people 9.45 million people South Africa
1980s 34.50 million people 22.22 million people 12.27 million people South Africa
1990s 44.05 million people 29.68 million people 14.37 million people South Africa
2000s 49.31 million people 38.79 million people 10.52 million people South Africa
2010s 55.92 million people 51.54 million people 4.38 million people South Africa
2020s 61.91 million people 63.78 million people 1.87 million people Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population: comparison of un projections, South Africa or Tanzania, United Republic of?
Tanzania, United Republic of, at 66.62 million people against 63.21 million people in South Africa as of 2023.
What is the difference in population: comparison of un projections between South Africa and Tanzania, United Republic of?
3.41 million people, with Tanzania, United Republic of ahead.
How many years of comparable data are there for South Africa and Tanzania, United Republic of?
74 years are reported by both, from 1950 to 2023.
How do South Africa and Tanzania, United Republic of rank globally for population: comparison of un projections?
South Africa ranks 24th and Tanzania, United Republic of ranks 22nd of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Population: comparison of UN projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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South Africa vs Tanzania, United Republic of: Population: comparison of UN projections. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://population.statizoid.com/compare/comparison-of-world-population-projections/south-africa/tanzania/

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About this data

Indicator
Population: comparison of UN projections
Unit
people
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Total population, measured on 1 July of the year shown.