Credit where credit's due
To the unsung heroes of open-source geography
FlagsName a country whose flag has green on it
- flag-icons (MIT)
Flag colours, and the flags in Your Journey and on the results page. Copyright (c) 2013 Panayiotis Lipiridis.
- Wikimedia Commons (Public domain)
The flags of Sark and Tristan da Cunha, the state flags of Costa Rica, Peru and Venezuela (its coat of arms) and the Canary Islands' flag with its arms.
- Wikidata (CC0)
What's on each flag: stars, animals, buildings and more.
Populations and citiesName a country with more people than Spain
- UN World Population Prospects 2024 (CC BY 3.0 IGO)
Country populations. United Nations, Department of Economic and Social Affairs, Population Division.
- UN World Urbanization Prospects: The 2018 Revision (CC BY 3.0 IGO)
City populations. United Nations, Department of Economic and Social Affairs, Population Division.
- UN World Urbanization Prospects: The 2025 Revision (CC BY 3.0 IGO)
City populations, 2025. United Nations, Department of Economic and Social Affairs, Population Division.
- Statistics Norway (CC BY 4.0)
The population of Oslo's urban settlement.
- Eurostat, Cities (Urban Audit) (CC BY 4.0)
Populations of European cities' functional urban areas. © European Union, Eurostat.
- Wikidata (CC0)
Cities, capitals and areas.
- INE, Instituto Nacional de Estadística (Spain) (Official statistics)
The populations of the Canary Islands, Ceuta and Melilla.
- St Helena Government Statistics Office (Official statistics)
The populations of Saint Helena, Ascension and Tristan da Cunha.
- Sark census 2022 (Official statistics)
The population of Sark.
- BOE, Spain's official gazette (Official texts)
The statutes of the Canary Islands, Ceuta and Melilla: their capitals and flags.
BordersName a country that borders Brazil
Atlas pagesRivers, lakes, islands, cities, mountains, deserts and seas
- Wikidata (CC0)
Names, lengths, areas, populations and elevations; deserts, and which countries each is in.
- Natural Earth (Public domain)
River courses, lake shores and sea areas: which countries each one touches. Made with Natural Earth.
- USGS Global Islands (Public domain)
Areas of islands Wikidata lacks or gets wrong.
Maps, sizes and distancesPin it, true sizes, how far apart
- Natural Earth (Public domain)
Country shapes and the world map. Made with Natural Earth. The Pin it map is drawn in the Equal Earth projection (Šavrič, Patterson and Jenny, 2018).
- Wikidata (CC0)
Coordinates and areas.
Names and wordsCapitals, demonyms, syllables
- Unicode CLDR (Unicode License v3)
Country names in English. Copyright (c) 1991-2025 Unicode, Inc.
- Wikidata (CC0)
Other names a place goes by, and capitals.
- CIA World Factbook (Public domain)
Demonyms.
- CMU Pronouncing Dictionary (BSD)
Syllable counts. Copyright (c) 1993-2015 Carnegie Mellon University.
Country factsLandlocked countries, highest points, independence
- CIA World Factbook (Public domain)
Landlocked countries, highest points and independence years.
LanguagesName an official language in Africa
- Constitutions and language laws (Public facts)
Every language official nationwide in each country and territory, checked against the laws in force.
- Wikidata (CC0)
Which languages are the same language, and their other names.
- CIA World Factbook (Public domain)
How many official languages each country has.
CurrenciesName a currency used in Asia
Hosts and membersOlympics, World Cups, G20, OPEC, Schengen, ASEAN
- Official lists (Facts)
From the IOC, FIFA and the organisations themselves, checked against Wikidata.
Answer rarityCommon to Legendary
- Google Books Ngram (CC BY 3.0)
How often places are written about.
- Wikipedia pageviews and QRank (CC0)
How often places are looked up.
The lookThe typefaces
- Inter (SIL OFL 1.1)
Copyright 2016 The Inter Project Authors.
- Cormorant (SIL OFL 1.1)
Copyright 2015 The Cormorant Project Authors.
- Old Standard TT (SIL OFL 1.1)
The logo's lettering. Copyright 2011 The Old Standard Project Authors.
Contains data from GeoNames, licensed under CC BY 4.0. Population figures from United Nations, Department of Economic and Social Affairs, Population Division, World Population Prospects 2024, and city agglomeration figures from World Urbanization Prospects: The 2018 and 2025 Revisions, licensed under CC BY 3.0 IGO. Contains data from Statistics Norway and from Eurostat (© European Union), licensed under CC BY 4.0. Word frequencies from the Google Books Ngram datasets, licensed under CC BY 3.0. Made with Natural Earth.