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Ile Oluji, 
Nigeria
224,781 people lived in Ile Oluji in 2025. It is the 2624th largest of the world's 12,138 cities, and the 96th 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 Ile Oluji'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 Ile Oluji grew
For every 10 people in Ile Oluji in 1975, there were 29.3 in 2025.
On the UN's projection it will have 329,870 people in 2050. On the UN's projection it passes 250,000 people between 2030 and 2035.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: read it left to right, 1975 to 2050, one column every five years, the height being people. Hatching marks the projected years. Below, a strip of the UN's confidence: strong colour where the census maps are recent and detailed, pale where they are not, blank where the place was not counted as a city.
People · your family's years · 1975 to 2050
Ile Oluji through your family’s years
Put in the years your family were born. You’ll see how many people lived in Ile Oluji 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). Ile Oluji 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, Ile Oluji covered 18 km², and buildings, roads and other built-up land covered 3.2 km² of it. That is 14 m² of built-up land for each person, about a square 4 by 4 metres. Since 1985, its built-up land has grown to 3.2 times its size, and its people are 2.6 times as many.
How to read this: each pale square is the city's whole area, the strong square inside it the part that is built on; one scale for all three, so a bigger square is more land. Hatched is the UN's projection.
Of every 100 people in Nigeria
Its share of Nigeria
Of every 1,000 people in Nigeria in 2025, 1 lived in Ile Oluji, which is 224,781 people.
How to read this: 1,000 squares stand for everyone in Nigeria, one square for every 1,000th person. Count the coloured ones and you have Ile Oluji's share; the grey remainder live somewhere else in the country.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 2612 Naqamte Ethiopia225,503
- 2615 Al Qusiya Egypt225,243
- 2617 Maharajganj India225,197
- 2618 Samundri Pakistan225,170
- 2624 Ile Oluji224,781
- 2627 Manfalut Egypt224,667
- 2630 Ramgarh India224,417
- 2632 Navoiy Uzbekistan224,363
- 2639 Habiganj Bangladesh223,874
In Nigeria, 2025
- 2486 Funtua236,087
- 2529 Biliri232,398
- 2531 Oke Iho232,348
- 2571 Jega228,584
- 2624 Ile Oluji224,781
- 2679 Gwoza220,641
- 2706 Omuo-Obadore218,751
- 2713 Okitipupa218,097
- 2789 Auchi212,634
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 Ile Oluji 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 Ile Oluji 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