GitHub: https://madnight.github.io/githut/
Stack Overflow: https://survey.stackoverflow.co (most popular technologies, filtering to Professional Developers)
Statistics are rounded half-up to the nearest decimal
| Language | Metric | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|
| Java | Stack Overflow | 39.2% | 38.4% | 35.4% | 33.4% | 30.1% |
| GH PRs | 10.2% | 11.0% | 11.3% | 11.8% | 11.3% | |
| GH Stars | 10.0% | 9.9% | 9.3% | 8.5% | 8.0% | |
| Kotlin | Stack Overflow | 6.6% | 8.0% | 8.3% | 9.9% | 9.7% |
| GH PRs | 1.2% | 1.4% | 1.4% | 1.4% | 1.4% | |
| GH Stars | 1.0% | 1.0% | 1.0% | 1.3% | 1.3% | |
| Scala | Stack Overflow | 4.2% | 3.9% | 2.6% | 3.0% | 3.2% |
| GH PRs | 1.6% | 1.9% | 1.8% | 1.8% | 1.6% | |
| GH Stars | 0.5% | 0.5% | 0.5% | 0.4% | 0.3% | |
| Groovy | Stack Overflow | no data | no data | 3.0% | 3.8% | 3.9% |
| GH PRs | 0.4% | 0.4% | 0.4% | 0.3% | 0.3% | |
| GH Stars | 0.2% | 0.2% | 0.1% | 0.1% | 0.1% | |
| Clojure | Stack Overflow | 1.5% | no data | 1.9% | 1.7% | 1.4% |
| GH PRs | 0.3% | 0.2% | 0.2% | 0.2% | 0.1% | |
| GH Stars | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| Language | Metric | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|
| Java | Stack Overflow | 76.1% | 76.3% | 68.8% | 64.4% | 62.2% |
| GH PRs | 74.5% | 73.8% | 74.8% | 76.1% | 76.4% | |
| GH Stars | 83.3% | 83.9% | 83.8% | 80.9% | 80.8% | |
| Kotlin | Stack Overflow | 12.8% | 15.9% | 16.1% | 19.1% | 20.0% |
| GH PRs | 8.8% | 9.4% | 9.3% | 9.0% | 9.5% | |
| GH Stars | 8.3% | 8.5% | 9.0% | 12.4% | 13.1% | |
| Scala | Stack Overflow | 8.2% | 7.8% | 5.1% | 5.8% | 6.6% |
| GH PRs | 11.7% | 12.8% | 11.9% | 11.6% | 10.8% | |
| GH Stars | 4.2% | 4.2% | 4.5% | 3.8% | 3.0% | |
| Groovy | Stack Overflow | N/A | N/A | 5.8% | 7.3% | 8.1% |
| GH PRs | 2.9% | 2.7% | 2.6% | 1.9% | 2.0% | |
| GH Stars | 1.7% | 1.7% | 0.9% | 1.0% | 1.0% | |
| Clojure | Stack Overflow | 2.9% | N/A | 3.7% | 3.3% | 2.9% |
| GH PRs | 2.2% | 1.3% | 1.3% | 1.3% | 0.7% | |
| GH Stars | 1.7% | 1.7% | 1.8% | 1.9% | 2.0% |