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Mansa, 
Zambia
335,503 people lived in Mansa in 2025. It is the 1710th largest of the world's 12,138 cities, and the 4th largest in Zambia.
Like every city on this site, Mansa is counted as a built-up area seen from above rather than as a city government's territory. Why that changes the number.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Mansa grew
Where Mansa had 10 people in 2010, it had 55.1 in 2025.
On the UN's projection it will have 528,028 people in 2050. It passed 250,000 people between 2015 and 2020. The UN first counts it as a city in 2010, when it passed 50,000 people.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: each column is one of the UN's five-yearly estimates, 1975 through 2050, and taller means more people. Where a column is hatched the year has not happened yet. The strip under the columns is the UN's own confidence in each figure, palest where it is least sure; where it is blank the city was not on the list at all.
People · your family's years · 1975 to 2050
Mansa through your family’s years
Put in the years your family were born. You’ll see how many people lived in Mansa in each of those years, and when each of them turned 30.
Zambia · every city · 2025
Where it is
How to read this: Mansa is the dot in colour with a ring around it. The grey dots are the other cities of Zambia in 2025, 33 in all, led by Lusaka, each drawn with an area that matches its people. Countries next door are outlines only.
Area and built-up land · km²
How much land it covers
In 2025, Mansa covered 51 km², and buildings, roads and other built-up land covered 12 km² of it. That is 35 m² of built-up land for each person, about a square 6 by 6 metres. Since 2010, its built-up land has grown to 2.1 times its size, and its people are 5.5 times as many.
How to read this: the outer pale square stands for all the land the city covers, and the solid square inside it for the part with buildings, roads and the like on it. All three squares share a scale, so you can compare them by eye. A hatched one is a year the UN has projected.
Of every 100 people in Zambia
Its share of Zambia
Of every 100 people in Zambia in 2025, 2 lived in Mansa, which is 335,503 people.
How to read this: shrink Zambia to 100 people and this is what you get. The coloured squares are the ones who would live in Mansa; the grey ones are everybody else, in other cities, in towns and out in the country.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 1706 Duri Indonesia335,728
- 1707 Indramayu Indonesia335,572
- 1708 Bonny Nigeria335,542
- 1709 Changyi China335,538
- 1710 Mansa335,503
- 1711 Jaranwala Pakistan335,463
- 1712 Agadez Niger335,322
- 1713 Tianmen China334,299
- 1714 M'banza Congo Angola334,203
In Zambia, 2025
- 135 Lusaka3,510,723
- 798 Kitwe678,749
- 1034 Ndola535,108
- 1710 Mansa335,503
- 1976 Chingola294,193
- 2177 Kabwe267,618
- 2517 Kasama233,587
- 2926 Livingstone203,972
- 4302 Kapiri Mposhi141,802
How to read this: names are in order of size, the leading number being each city's rank among all 12,138 in 2025; the bars share a scale within a list. A jump in the ranks means a city under 300,000 people, which is not given a page here.
Apparatus
Sources and method
The figures for Mansa are the UN's own, at five-year steps: an estimate for each of 2010 to 2025, then projection to 2050. Projected years are drawn hatched, and the UN publishes no range of uncertainty for a city. What a city means here, how the UN measures one, and why that number can differ from the one Mansa publishes about itself: how the figures here are put together.
Sources: UN WUP 2025 · Natural Earth · flag-icons. Every source, its licence and how to cite it →
Verified 2026-09-30 · 73 canaries