77 Cities By Population Trivia Questions with Answers
77 public questions with answers, drawn from the well. How many can you answer?
This Cities By Population trivia hub compares urban populations across countries and regions, using figures tied to specific years, censuses, estimates, and definitions such as city proper. Questions span cities from Greenland, Europe, and Central Asia to East and Southeast Asia, making the set a broad geography challenge rather than a list limited to global megacities.
You may need to identify Taiwan’s most populous city from a January 2023 estimate, recognize Switzerland’s largest city from its 2024 population, or match Mongolia’s 2021 population to Ulaanbaatar. Because population rankings can change with new data and boundaries, the questions reward careful reading of dates and sources. This hub suits geography classrooms, international trivia nights, map enthusiasts, and quiz players who enjoy numerical clues.
Which Mongolian city had a 2021 population of 1,672,627?
Answer
Ulaanbaatar
Which Brazilian city has been the country's second-most populous since 1960?
Answer
Rio de Janeiro
Which Romanian city had 1,716,961 residents in the 2021 census?
Answer
Bucharest
Which Moroccan city had 3,359,818 residents in the 2014 census?
Answer
Casablanca
What was Jakarta's population in Indonesia's 2020 census?
Answer
10,562,088
What was Greater London's population in the 2021 census?
Answer
8,799,800
What was Berlin's population in the 2022 census?
Answer
3,596,999
Which settlement is the largest in Svalbard?
Answer
Longyearbyen
Which city is the largest in the Faroe Islands?
Answer
Tórshavn
Which city is New Zealand's most populous?
Answer
Auckland
What population did Tehran record in Iran's 2016 census?
Answer
8,693,706
What was Beijing's resident population in the 2020 Chinese census?
Answer
21,893,095
Which metropolitan area had 21,436,911 residents in Mexico's 2020 census?
Answer
Greater Mexico City
Which Egyptian city is second in population after Cairo?
Answer
Alexandria
Which municipality is Vietnam's most populous?
Answer
Ho Chi Minh City
Which city is Pakistan's second-most populous?
Answer
Lahore
Which U.S. city had 1,603,797 residents in the 2020 census?
Answer
Philadelphia
Which Canadian city had 1,762,949 residents in the 2021 census?
Answer
Montreal
Which Indian city had 8,443,675 residents in the 2011 census?
Answer
Bengaluru
Which city is Saudi Arabia's most populous?
Answer
Riyadh
Which city is Bangladesh's largest by population?
Answer
Dhaka
Which city is the most populous in the U.S. state of Texas?
Answer
Houston
Cities By Population trivia — quick answers
What are good Cities By Population trivia questions?
Strong questions give a population figure, year, and country or region, then ask players to identify the city. They can focus on national largest-city rankings, census comparisons, city-proper populations, metropolitan estimates, or unusual places such as Greenland and Kyrgyzstan.
How hard is Cities By Population trivia?
This trivia is generally medium to difficult because it combines geography with changing demographic data. Recognizing major capitals helps, but exact figures, census years, estimates, and distinctions between city proper and metropolitan area make many questions challenging.
Which city is Mongolia’s largest by population?
Ulaanbaatar is Mongolia’s largest city. The trivia set gives it a population of 1,672,627 in the 2021 figure used by that question. Population totals can vary depending on the date and whether the source counts the city proper or a wider administrative area.
Which city is Switzerland’s largest?
Zurich is Switzerland’s largest city by population in the supplied city-proper comparison. The relevant question lists 436,551 residents at the end of 2024. Rankings can differ if a source compares metropolitan areas rather than municipalities.
Which city is Kyrgyzstan’s largest?
Bishkek is Kyrgyzstan’s largest city. The trivia question lists its 2025 population as 1,120,827. As with other population questions, the exact total depends on the reference date, administrative boundaries, and whether the figure is a census count or estimate.