credits

dev + infra

• The back-end is written in Django and hosted on Digital Ocean.
• The cities quizzes are written in Vue and use D3.js and svg-pan-zoom for rendering the map and plotting points.
• The frontend uses Picnic CSS and Mono Icons.
• Everything is tested with Selenium and pytest.

data

• African cities: City Population (populations) and Wikidata (coordinates)
• Asian cities: GeoNames and City Population (for Chinese cities)
• Australia cities: Wikidata
• Brazilian cities: SIDRA (populations) and kelvins/Municipios-Brasileiros on GitHub (coordinates)
  • Thank you to Henrique Gonçalves for assisting with the data set.
• Canadian cities: Statistics Canada
• European cities: GeoNames
• Mexican cities: GeoNames
• U.S. cities: United States Census Bureau (as well as the map)
• World cities (those not covered by other quizzes): City Population (populations) and Wikidata (coordinates)
• All maps are from Natural Earth unless otherwise noted.
• Terms
  • Data from City Population is made available under a Creative Commons Attribution 3.0 license. Full citation: Thomas Brinkhoff: City Population, http://www.citypopulation.de
  • Data from GeoNames is licensed under a Creative Commons Attribution 4.0 license.
  • Data from Wikidata is licensed under a Creative Commons CC0 license.
  • Maps from Natural Earth are released to the public domain.

personal

• Thank you to Sasha Trubetskoy for feedback on the cities quizzes and assistance with the data sets and maps.
• Thank you to Noah Kim for feedback on early versions of the site.