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Hadejia, 
Nigeria
252,778 people lived in Hadejia in 2025. It is the 2302nd largest of the world's 12,138 cities, and the 88th largest in Nigeria.
The UN measures every city in the world the same way, by where the buildings are rather than where the boundary runs, so this figure and Hadejia's own can differ widely. What counts as a city here.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Hadejia grew
Where Hadejia had 10 people in 1975, it had 45.3 in 2025.
On the UN's projection it will have 339,759 people in 2050. It passed 250,000 people between 2020 and 2025.
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
Hadejia through your family’s years
Put in the years your family were born. You’ll see how many people lived in Hadejia in each of those years, and when each of them turned 30.
Nigeria · every city · 2025
Where it is
How to read this: Nigeria and its 457 cities in 2025, each a dot whose area is its number of people (the largest is Lagos). Hadejia 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, Hadejia covered 23 km², and buildings, roads and other built-up land covered 4.7 km² of it. That is 19 m² of built-up land for each person, about a square 4 by 4 metres. Since 1985, its built-up land has grown to 4.3 times its size, and its people are 3.3 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 Nigeria
Its share of Nigeria
Of every 1,000 people in Nigeria in 2025, 1 lived in Hadejia, which is 252,778 people.
How to read this: 1,000 squares, one for every 1,000th person in Nigeria; the coloured squares live in Hadejia. 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
- 2294 Pathein Myanmar253,953
- 2295 Sarajevo Bosnia and Herzegovina253,857
- 2299 Borigaon India253,566
- 2300 Rabak Sudan253,166
- 2302 Hadejia252,778
- 2303 Azare252,755
- 2308 Shendi Sudan252,344
- 2310 Rosetta Egypt252,147
- 2312 Sunamganj Bangladesh251,822
In Nigeria, 2025
- 2259 Abua258,314
- 2270 Otukpo257,334
- 2278 Ogu256,345
- 2280 Abat256,126
- 2302 Hadejia252,778
- 2303 Azare252,755
- 2352 Abak248,528
- 2431 Ore241,251
- 2486 Funtua236,087
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 Hadejia 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 Hadejia 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