seqdesk
← All metrics

Standards & vocabularies

NCBI Taxonomy named species

NCBI / Taxonomy

2.5M
species · 2026-09-21
S-curve
best-fit model
3.2M
projected 2027
2.3M2.6M2.9M3.2M202620273.2M 2027
Logistic (S-curve) fitbest fit (AICc)N(t) = L / (1 + e^{−k(t − t₀)})
carrying capacity L 124Msteepness k 0.329 / yrmidpoint t₀ 2038R² 0.9718forecast 3.2M by 2027

Forecast = 10% of the 0-yr record. ⚠ No saturation yet, so the carrying capacity L is poorly constrained — treat the logistic curve as a lower-bound scenario.

Datespecies
2026-09-212,487,756
2026-09-142,486,891
2026-09-072,471,803
2026-08-242,435,511
2026-08-172,423,282
2026-08-102,402,034
2026-08-032,391,483
2026-07-272,367,596
2026-07-202,342,699
2026-07-132,332,354
2026-07-062,329,845
2026-06-242,327,771

Machine-readable: /api/research-data?metric=ncbi-taxonomy-species · back to all metrics

Report errorpmu15@helmholtz-hzi.de