ISO 3166-1 Officially assigned code elements Officially assigned code elements

| English_short_name_upper_lower_case | Alpha_2_code | Alpha_3_code | Numeric_code | ISO_3166_2_codes |
|---|---|---|---|---|
| Bahamas | BS | BHS | 44 | ISO 3166-2:BS |
| Bahrain | BH | BHR | 48 | ISO 3166-2:BH |
| Bangladesh | BD | BGD | 50 | ISO 3166-2:BD |
| Barbados | BB | BRB | 52 | ISO 3166-2:BB |
| Belarus | BY | BLR | 112 | ISO 3166-2:BY |
| Belgium | BE | BEL | 56 | ISO 3166-2:BE |
| Belize | BZ | BLZ | 84 | ISO 3166-2:BZ |
| Benin | BJ | BEN | 204 | ISO 3166-2:BJ |
| Bermuda | BM | BMU | 60 | ISO 3166-2:BM |
| Bhutan | BT | BTN | 64 | ISO 3166-2:BT |
| Bolivia, Plurinational State of | BO | BOL | 68 | ISO 3166-2:BO |
| Bonaire, Sint Eustatius and Saba | BQ | BES | 535 | ISO 3166-2:BQ |
| Bosnia and Herzegovina | BA | BIH | 70 | ISO 3166-2:BA |
| Botswana | BW | BWA | 72 | ISO 3166-2:BW |
| Bouvet Island | BV | BVT | 74 | ISO 3166-2:BV |
| Brazil | BR | BRA | 76 | ISO 3166-2:BR |