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Unified Medical Language System® (UMLS®)

Statistics - 2014AA Release

Official Counts:
Release version:    2014AA
Release format:    RRF
Concepts:    2,973,458
Number of concept names (AUIs):    11,633,065
Number of distinct concept names (SUIs):    9,672,799
Number of distinct normalized concept names (LUIs):    8,646,656
Number of sources (distinct source families by language):    139
Number of sources contributing concept names:    148
Number of languages contributing concept names:    21

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG 8736649 75.1%
SPA 1162494 9.99%
JPN 258227 2.22%
DUT 224869 1.93%
FRE 211512 1.82%
GER 193969 1.67%
POR 164312 1.41%
ITA 150395 1.29%
CZE 148517 1.28%
RUS 112655 0.97%
HUN 95410 0.82%
NOR 52370 0.45%
POL 45244 0.39%
SWE 26311 0.23%
FIN 25489 0.22%
KOR 11771 0.1%
SCR 9563 0.08%
LAV 1405 0.01%
DAN 723 0.01%
BAQ 695 0.01%
HEB 485 0%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0 5154516 44.31%
1 125086 1.08%
2 22156 0.19%
3 3644959 31.33%
4 176616 1.52%
9 2509732 21.57%
0+4 5331132 45.83%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y 461960 3.97%
O 1586779 13.64%
N 9555382 82.14%
E 28944 0.25%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG 98 65.33%
GER 6 4%
SPA 6 4%
DUT 6 4%
FRE 5 3.33%
ITA 4 2.67%
POR 4 2.67%
JPN 2 1.33%
* 2 1.33%
SWE 2 1.33%
CZE 2 1.33%
NOR 2 1.33%
FIN 2 1.33%
KOR 2 1.33%
HUN 2 1.33%
LAV 1 0.67%
RUS 1 0.67%
HEB 1 0.67%
DAN 1 0.67%
BAQ 1 0.67%
SCR 1 0.67%
POL 1 0.67%

*Note: 2 sources contribute relationships which have no associated language values.