Statistics
The allele counts below are for alleles officially recognised in the latest release of the IPD-IMGT/HLA Database. This includes alleles which have been named but are still held as confidential, but does not include alleles which have been Deleted.
- For details of the latest release of the database please view the latest Version Report.
- For statistics on database growth please view our Database Growth Report.
- For statistics on worldwide submissions please view our Submissions World Map
- For details of previous releases of the database please view the Release Report Archive
| Numbers of HLA Alleles | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HLA class I alleles | 27301 | |||||||||||||
| HLA class II alleles | 11674 | |||||||||||||
| HLA alleles | 38975 | |||||||||||||
| Other non-HLA alleles | 911 | |||||||||||||
| Number of confidential alleles | 0 | |||||||||||||
| HLA class I | ||||||||||||||
| Gene | A | B | C | E | F | G | ||||||||
| Alleles | 8288 | 9877 | 8361 | 353 | 91 | 160 | ||||||||
| Proteins | 4848 | 5883 | 4604 | 140 | 17 | 50 | ||||||||
| Nulls | 432 | 348 | 376 | 10 | 2 | 6 | ||||||||
| HLA class I - Pseudogenes | ||||||||||||||
| Gene | H | J | K | L | N | P | S | T | U | V | W | Y | ||
| Alleles | 72 | 33 | 7 | 6 | 5 | 5 | 7 | 9 | 7 | 4 | 13 | 3 | ||
| Proteins | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Nulls | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| HLA class II | ||||||||||||||
| Gene | DRA | DRB | DQA1 | DQA2 | DQB1 | DQB2 | DPA1 | DPA2 | DPB1 | DPB2 | DMA | DMB | DOA | DOB |
| Alleles | 73 | 4639 | 773 | 42 | 2549 | 41 | 678 | 6 | 2569 | 7 | 59 | 82 | 93 | 63 |
| Proteins | 17 | 3063 | 384 | 11 | 1543 | 9 | 328 | 0 | 1473 | 0 | 9 | 9 | 14 | 16 |
| Nulls | 0 | 202 | 21 | 0 | 112 | 1 | 26 | 0 | 132 | 0 | 0 | 0 | 1 | 0 |
| HLA class II - DRB Alleles | ||||||||||||||
| Gene | DRB1 | DRB2 | DRB3 | DRB4 | DRB5 | DRB6 | DRB7 | DRB8 | DRB9 | |||||
| Alleles | 3671 | 1 | 497 | 254 | 203 | 4 | 2 | 1 | 6 | |||||
| Proteins | 2374 | 0 | 377 | 160 | 152 | 0 | 0 | 0 | 0 | |||||
| Nulls | 125 | 0 | 25 | 27 | 25 | 0 | 0 | 0 | 0 | |||||
| Other non-HLA Genes | ||||||||||||||
| Gene | HFE | MICA | MICB | TAP1 | TAP2 | |||||||||
| Alleles | 6 | 533 | 247 | 19 | 106 | |||||||||
| Proteins | 4 | 281 | 47 | 11 | 13 | |||||||||
| Nulls | 0 | 9 | 25 | 1 | 0 | |||||||||