National Academy Science Letters
Journal metrics
Annual Clarivate and SCImago indicators.
| Year | JCR | SJR | ||||
|---|---|---|---|---|---|---|
| IF | IF quartile | Rank (percentile) | SJR | SJR quartile | Rank (percentile) | |
| 2025 | 1.1 | Q3 | 39.3% | 0.285 | Q3 | 41.6% |
| 2024 | 1.3 | Q3 | 47.8% | 0.264 | Q3 | 41.2% |
| 2023 | 1.2 | Q3 | 51.2% | 0.258 | Q3 | 44.0% |
| 2022 | 1.1 | Q4 | 44.1% | 0.218 | Q3 | 40.4% |
| 2021 | 0.6 | Q4 | 50.8% | 0.199 | Q3 | 38.9% |
| 2020 | — | — | 0.214 | Q3 | 38.2% | |
| 2019 | — | — | 0.189 | Q2 | 36.6% | |
| 2018 | — | — | 0.166 | Q2 | 27.2% | |
Impact history
Annual SJR and Impact Factor trend.
SJRIF
Journal record
ISSN
0250-541X
country
INcoverage
2005-2026