Find a city with more residents.
Test your knowledge of City population in a Peakle trivia climb. Each answer must be higher than the last, using people as the scale.
Play City populationUnderstand the measure
Peakle turns City population from a one-off fact question into a progressive comparison challenge. This route focuses on urban population, a number shaped by the boundary used for the city rather than the reputation of its wider metropolitan area. You can begin with any valid answer, then keep choosing a larger item on the published scale; familiar and surprising entries together test how well you understand the category.
This route uses people as its comparison scale and keeps the 2025 UN DESA · World Urbanization Prospects 2025 dataset visible so the rules can be checked. A city-proper count, urban-area count, and metropolitan count can describe different places. This route follows the definition and year attached to the published city dataset. Values are shown at the precision used by the source, so the goal is to compare published records consistently rather than guess at extra decimals.
A reliable approach is to choose a comfortable starting point, reserve obvious high-value answers for later, and watch for near-ties. Separate global megacities from famous but smaller city-proper records. When two cities are close, check whether your memory is using a metro figure instead of the route’s boundary. If two candidates seem close, use the displayed value and source definition instead of relying on memory; one invalid step ends the climb, but every run teaches you more about the shape of the dataset.
The route
Pick an item from the answer bank to set your starting point.
Every next answer must be larger than the one before it on the published scale.
One wrong, repeated, or equal answer ends the climb and records your score.
Evidence behind the climb
This route uses UN DESA · World Urbanization Prospects 2025 data from 2025. The question asks you to compare City population using the published values.
Before you climb
Choose an answer, then keep choosing a larger value measured in people. The goal is to build the longest valid chain you can.
This route uses people as its comparison scale and keeps the 2025 UN DESA · World Urbanization Prospects 2025 dataset visible so the rules can be checked. A city-proper count, urban-area count, and metropolitan count can describe different places. This route follows the definition and year attached to the published city dataset. Values are shown at the precision used by the source, so the goal is to compare published records consistently rather than guess at extra decimals.
This route is based on UN DESA · World Urbanization Prospects 2025 data from 2025, using the City population indicator. Use the source link on the page to inspect the original dataset.
Why can a city rank differently on another website? Websites may use city proper, built-up area, or metropolitan boundaries, which are not interchangeable.
This category page is available in English and Chinese.