Metadata & completeness
iNaturalist
N(t) = L·e^{−e^{−k(t − t₀)}}Forecast = 10% of the 13-yr record (1.3 yr ahead). Anchored on the latest value; levels off toward L ≈ 943M.
iNaturalist observations promoted to 'research grade' (community-verified ID + date + location) — the metadata-complete subset usable for science.
| Date | observations |
|---|---|
| 2026-09-07 | 217,145,063 |
| 2026-08-24 | 214,991,103 |
| 2026-08-17 | 213,843,021 |
| 2026-08-10 | 212,716,592 |
| 2026-08-03 | 211,543,178 |
| 2026-07-27 | 210,384,599 |
| 2026-07-20 | 209,138,375 |
| 2026-07-13 | 207,955,637 |
| 2026-07-06 | 206,790,320 |
| 2026-06-25 | 205,029,734 |
| 2026-01-01 | 185,152,979 |
| 2025-01-01 | 145,614,721 |
| 2024-01-01 | 111,743,151 |
| 2023-01-01 | 83,124,257 |
| 2022-01-01 | 59,296,941 |
| 2021-01-01 | 38,484,424 |
| 2020-01-01 | 21,238,003 |
| 2019-01-01 | 11,053,009 |
| 2018-01-01 | 5,497,530 |
| 2017-01-01 | 2,775,009 |
| 2016-01-01 | 1,454,257 |
| 2015-01-01 | 777,354 |
| 2014-01-01 | 380,560 |
Machine-readable: /api/research-data?metric=inat-research · back to all metrics