Standards & vocabularies

NCBI Taxonomy named species

NCBI / Taxonomy

2.5M

species · 2026-09-07

2.1 yr

doubling time

3.2M

projected 2027

Forecast

Exponential fitbest fit (AICc)N(t) = N₀·e^{r(t−t₀)}

growth rate r 32.4% / yrdoubling time 2.1 yrR² (window) 0.9540fit window last 0 yr · 10 ptsforecast 3.2M by 2027

Fitted on the last 0 yr (recent trend), anchored on the latest value. Forecast runs 0.8 yr ahead — 10% of the 0-yr record. Shaded = 95% CI.

How this is tracked

SourceNCBI / Taxonomy

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Parsejson · esearchresult.count

All data points (10)

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