A blue supermoon rises in Madrid on Aug. 30, 2023. Photographer: Paul Hanna/Bloomberg

Think You Know Your Cities? Try Our 2023 Quiz

From the new “rat czar” to ultra-low emission zones, CityLab editors test your knowledge of the state of urbanism this year.

The global migration to cities continues with few signs of change coming anytime soon.

Some 56% of people, or 4.4 billion, call cities their home, the World Bank estimates. Within three decades, that number is likely to reach 70%.

So how are cities adapting, and what’s next? Our 2023 quiz is meant to look at some of the trends shaping urban life this year.

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Photographer: Corinna Kern/Bloomberg

Which of the following cities opened a new metro transit system in 2023?

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How many yes-in-my-backyard housing laws did California pass in 2023?

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Hip-hop celebrated its 50th anniversary this year. Which New York borough is considered to be its birthplace?

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Which Korean city built on steelmaking is the target of more than $30 billion of investments in new EV battery factories?

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Ireland’s rugby team was unexpectedly knocked out of the World Cup by New Zealand in the quarterfinals this year, but the country this year scored a win with the opening of the International Rugby Experience, a museum to the game. In which city did it open?

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Photographer: John Taggart/Bloomberg

Congestion pricing could come to New York City as soon as April, with car fees up to $23 a day to enter the Manhattan zone. The charge, likely to raise $1 billion a year to fund subway repairs, is forecast to reduce traffic by how much?

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Which European city spent the equivalent of $65 million over four years to build an underwater shed capable of storing 7,000 bicycles that opened in January of this year?

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Photographer: Courtesy Kounkuey Design Initiative

Los Angeles officials in May held a press conference at a bus stop to introduce an experiment: A small-scale design at certain unwelcoming areas that could provide limited shade during the day and store solar power for light at night. The project was widely mocked on the internet. What is it called?

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Photographer: Cole Burston/Bloomberg

Former federal politician Olivia Chow in June was elected as Toronto’s first Asian-Canadian mayor, running on a pledge to bring more affordable housing to Canada’s financial capital. How many candidates were on the ballot?

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Which city in April named its first-ever “rat czar” to combat a rising number of rodents?

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Photographer: Hollie Adams/Bloomberg

HSBC Bank this year announced plans to leave its 45-story tower in London’s Canary Wharf district for a site with about half the square footage in the Square Mile, the city’s traditional home of finance. Which architect designed its current global headquarters?

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Photographer: Dhiraj Singh/Bloomberg

Which city retired these iconic double-decker buses this year?

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Which city has the world’s largest low-emission zone?


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