Unified Medical Language System® (UMLS®)
Statistics - 2012AA Release
Official Counts:
Release version: 2012AA
Release format: RRF
Concepts: 2,669,792
Number of concept names (AUIs): 10,810,680
Number of distinct concept names (SUIs): 8,916,001
Number of distinct normalized concept names (LUIs): 7,957,179
Number of sources (distinct source families by language): 137
Number of sources contributing concept names: 166
Number of languages contributing concept names: 21
Name Count by Language:
| Language | Name Count | % of Metathesaurus |
|---|---|---|
| ENG | 7921582 | 73.28% |
| SPA | 1247206 | 11.54% |
| JPN | 251168 | 2.32% |
| DUT | 221334 | 2.05% |
| FRE | 203149 | 1.88% |
| GER | 188315 | 1.74% |
| POR | 159911 | 1.48% |
| ITA | 140945 | 1.3% |
| CZE | 136159 | 1.26% |
| RUS | 109150 | 1.01% |
| HUN | 91836 | 0.85% |
| POL | 44219 | 0.41% |
| SWE | 26311 | 0.24% |
| FIN | 25489 | 0.24% |
| NOR | 19713 | 0.18% |
| KOR | 11771 | 0.11% |
| SCR | 9114 | 0.08% |
| LAV | 1405 | 0.01% |
| DAN | 723 | 0.01% |
| BAQ | 695 | 0.01% |
| HEB | 485 | 0% |
Name Count by Source Restriction Level (SRL):
| SRL | Source Count | % of Sources |
|---|---|---|
| 0 | 4599915 | 42.55% |
| 1 | 117866 | 1.09% |
| 2 | 22156 | 0.2% |
| 3 | 3408932 | 31.53% |
| 4 | 179630 | 1.66% |
| 9 | 2482181 | 22.96% |
| 0+4 | 4779545 | 44.21% |
Count of Atoms by Suppressibility:
| Suppressibility Status | Name Count | % of Metathesaurus |
|---|---|---|
| E | 26992 | 0.25% |
| N | 8944067 | 82.73% |
| O | 1452389 | 13.43% |
| Y | 387232 | 3.58% |
Source Counts by Language (from MRSAB):
| Language | Name count | % of Metathesaurus |
|---|---|---|
| ENG | 109 | 65.66% |
| DUT | 6 | 3.61% |
| GER | 6 | 3.61% |
| SPA | 6 | 3.61% |
| FRE | 5 | 3.01% |
| * | 5 | 3.01% |
| ITA | 4 | 2.41% |
| POR | 4 | 2.41% |
| CZE | 2 | 1.2% |
| FIN | 2 | 1.2% |
| HUN | 2 | 1.2% |
| JPN | 2 | 1.2% |
| KOR | 2 | 1.2% |
| NOR | 2 | 1.2% |
| SWE | 2 | 1.2% |
| BAQ | 1 | 0.6% |
| DAN | 1 | 0.6% |
| HEB | 1 | 0.6% |
| LAV | 1 | 0.6% |
| POL | 1 | 0.6% |
| RUS | 1 | 0.6% |
| SCR | 1 | 0.6% |
*Note: 5 sources contribute relationships which have no associated language values.
