| australia | new south wales | uncultured bifidobacterium sp. | species | 6 | 0 |
| belgium | | uncultured bifidobacterium sp. | species | 2 | 0 |
| brazil | | uncultured bifidobacterium sp. | species | 2 | 0 |
| canada | ontario | uncultured bifidobacterium sp. | species | 2 | 0 |
| china | | uncultured bifidobacterium sp. | species | 21 | 0 |
| china | fujian | uncultured bifidobacterium sp. | species | 1 | 0 |
| finland | | uncultured bifidobacterium sp. | species | 6 | 0 |
| france | | uncultured bifidobacterium sp. | species | 12 | 0 |
| hungary | | uncultured bifidobacterium sp. | species | 3 | 0 |
| india | | uncultured bifidobacterium sp. | species | 21 | 0 |
| india | kerala | uncultured bifidobacterium sp. | species | 1 | 0 |
| india | national capital territory of delhi | uncultured bifidobacterium sp. | species | 2 | 0 |
| iran | | uncultured bifidobacterium sp. | species | 1 | 0 |
| israel | | uncultured bifidobacterium sp. | species | 2 | 0 |
| italy | | uncultured bifidobacterium sp. | species | 11 | 0 |
| japan | | uncultured bifidobacterium sp. | species | 8 | 0 |
| japan | okayama prefecture | uncultured bifidobacterium sp. | species | 29 | 0 |
| malaysia | | uncultured bifidobacterium sp. | species | 2 | 0 |
| mexico | yucatan | uncultured bifidobacterium sp. | species | 1 | 0 |
| nigeria | | uncultured bifidobacterium sp. | species | 4 | 0 |
| south africa | | uncultured bifidobacterium sp. | species | 3 | 0 |
| spain | | uncultured bifidobacterium sp. | species | 20 | 0 |
| united kingdom | | uncultured bifidobacterium sp. | species | 32 | 0 |
| united states | arizona | uncultured bifidobacterium sp. | species | 37 | 0 |
| united states | pennsylvania | uncultured bifidobacterium sp. | species | 1 | 0 |