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Kosti, 
Sudan
431,504 people lived in Kosti in 2025. It is the 1297th largest of the world's 12,138 cities, and the 10th largest in Sudan.
That figure counts the whole built-up area, not the area Kosti governs, so it may be far from the number the city publishes about itself. How the UN measures a city.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Kosti grew
Where Kosti had 10 people in 1975, it had 24.4 in 2025.
On the UN's projection it will have 539,255 people in 2050. It passed 250,000 people between 1985 and 1990.
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
Kosti through your family’s years
Put in the years your family were born. You’ll see how many people lived in Kosti in each of those years, and when each of them turned 30.
Sudan · every city · 2025
Where it is
How to read this: Sudan and its 105 cities in 2025, each a dot whose area is its number of people (the largest is Khartoum). Kosti is ringed, in colour; the other cities are grey. Neighbouring countries are outlines.
Area and built-up land · km²
How much land it covers
In 2025, Kosti covered 43 km², and buildings, roads and other built-up land covered 11 km² of it. That is 25 m² of built-up land for each person, about a square 5 by 5 metres. Since 1975, its built-up land has grown by 64%, and its people are 2.4 times as many.
How to read this: pale is the whole of the city's land; the stronger square inside it is what is actually built on. The three are drawn to the same scale, so a larger square really is more land, and hatching means the year is the UN's projection rather than a count.
Of every 100 people in Sudan
Its share of Sudan
Of every 1,000 people in Sudan in 2025, 8 lived in Kosti, which is 431,504 people.
How to read this: 1,000 squares, one for every 1,000th person in Sudan; the coloured squares live in Kosti. The grey rest live in other cities, in towns or in the countryside.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 1293 Huiminxiang China432,064
- 1294 Jhusi India431,880
- 1295 Takasaki [Maebashi] Japan431,687
- 1296 Padrauna India431,649
- 1297 Kosti431,504
- 1298 Florence Italy430,806
- 1299 Kisumu Kenya430,532
- 1300 Katihar India430,470
- 1301 Chandpur Bangladesh430,144
In Sudan, 2025
- 944 Ad Da'ein581,730
- 1030 Buram537,169
- 1074 Port Sudan517,023
- 1140 Timerein486,586
- 1297 Kosti431,504
- 1400 Wad Madanī403,988
- 1457 Kassala390,525
- 1491 Kas381,286
- 1808 Al-Qadarif317,258
How to read this: the figure in front of a name is where that city stands among the 12,138 cities the UN counted in 2025, and each bar is its people, on one scale per list. Numbers are missing where a city has fewer than 300,000 people and so has no page of its own.
Apparatus
Sources and method
The figures for Kosti are the UN's own, at five-year steps: an estimate for each of 1975 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 Kosti 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