Topics
Mannheim, 
Germany
448,203 people lived in Mannheim in 2025. It is the 1241st largest of the world's 12,138 cities, and the 16th largest in Germany.
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 Mannheim'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 Mannheim grew
For every 10 people in Mannheim in 1975, there were 10.6 in 2025.
On the UN's projection it will have 428,575 people in 2050.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: one column every five years, 1975 to 2050; its height is the number of people. Hatched columns are the UN's projection. The thin strip beneath says how sure the UN is of each figure: the stronger the colour, the surer. A blank means the place was not on the UN's list of cities that year.
People · your family's years · 1975 to 2050
Mannheim through your family’s years
Put in the years your family were born. You’ll see how many people lived in Mannheim in each of those years, and when each of them turned 30.
Germany · every city · 2025
Where it is
How to read this: Germany and its 100 cities in 2025, each a dot whose area is its number of people (the largest is Berlin). Mannheim 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, Mannheim covered 129 km², and buildings, roads and other built-up land covered 33 km² of it. That is 74 m² of built-up land for each person, about a square 9 by 9 metres. Since 1975, its built-up land has grown by 24%, and its people have grown by 6%.
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 Germany
Its share of Germany
Of every 1,000 people in Germany in 2025, 5 lived in Mannheim, which is 448,203 people.
How to read this: 1,000 squares, one for every 1,000th person in Germany; the coloured squares live in Mannheim. 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
- 1237 Vijayapura India450,192
- 1238 Heyuan China449,860
- 1239 Penza Russia449,851
- 1240 Ramadi Iraq449,183
- 1241 Mannheim448,203
- 1242 Canning India447,522
- 1243 Zoucheng China447,484
- 1244 Kolwezi Democratic Republic of the Congo446,709
- 1245 Sirajganj Bangladesh446,632
In Germany, 2025
- 837 Nuremberg644,169
- 887 Hanover611,288
- 989 Dresden554,612
- 1017 Leipzig542,313
- 1241 Mannheim448,203
- 1309 Wiesbaden427,270
- 1325 Bremen422,414
- 1662 Augsburg344,255
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 Mannheim 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 Mannheim 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