Since its announcement as an officially supported language for Android, Kotlin has experienced a huge rise in popularity. This proliferation in popularity is in many ways warranted as Kotlin is a modern and extremely well-designed language, which has many domains of application—web, mobile, and native to name a few. As a direct consequence of its rise in popularity, Kotlin has experienced steady growth over the years.
Germany
Slovakia
Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
Luxembourg
Estonia
Lithuania
Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia