GitHub pool sizes for sourcing and hiring plans.
Kotlin is mostly used by Android and JVM backend teams. This table shows how many Kotlin developers on GitHub list each country as their location. Counts as of October 2026; every country figure is a lower bound, since developers who leave location blank are not counted.
| Country | Users | 10+ repos | 50+ followers | Share with 50+ followers |
|---|---|---|---|---|
| Worldwide | 363,875 | 55,061 | 1,253 | 0.3% |
| Germany | 1,049 | 274 | 20 | 1.9% |
| United Kingdom | 241 | 69 | 12 | 5% |
| Poland | 357 | 100 | 6 | 1.7% |
| Netherlands | 198 | 59 | 11 | 5.6% |
| Brazil | 651 | 264 | 21 | 3.2% |
| Canada | 333 | 107 | 4 | 1.2% |
Of the countries we track, Brazil has the most Kotlin developers with 50+ followers (21).
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