Below is an overview of some of the vital statistics of OBIS, including number of records available through the search interface, number of species and number of datasets; the numbers between brackets are those for the last two data loads, and show progress booked since then. The graph shows how the number of records increased over time.
- Number of records: 32.7 (32.3, 32.2) million
- Number of records identified to species or infraspecies: 25.52 (25.19, 25.1) million
- Number of records identified to genus or better: (28.5, 28.4) million
- Number of valid species with data reported to OBIS: 145,317 (145,153, 145,377)
- Number of valid marine taxa in OBIS: 161,620 (161,493, 158,439)
- Number of valid marine species: 118,937 (118,801, 118,950)
- Number of valid marine genera: 27,154 (27,086, 26,991)
- Number of datasets: 1072 (1056, 1014, 1004)

OBIS Progress: Number of records in OBIS, in millions.
