Twitter Language Maps
The following maps show the dominant language used on Twitter in a specific area. (Although results vary significantly between runs.)
White areas indicate lack of tweets, unreliable language detection or languages that aren't listed.
Made using the Twitter API, Google Maps and a language detection API.
Maps
North America

English
Spanish
French
Japanese
Iberian Peninsula

Spanish
Portuguese
English
French
Western Europe (South, ignoring English)

French
Italian
Japanese
Spanish
Asia

English
Japanese
Malay (Indonesia)
Russian
South America (ignoring English)

Japanese
Portuguese
Spanish
Middle East

English
Japanese
Arabic
Spanish
London (ignoring English)

Spanish
Japanese
Indonesian
Malay (Indonesia)

Berlin (ignoring English)

German
Turkish
Malay (Indonesia)
Spanish