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Unified Medical Language System® (UMLS®)

Statistics - 2015AB Release

Official Counts:
Release version:    2015AB
Release format:    RRF
Concepts:    3,221,702
Number of concept names (AUIs):    12,842,558
Number of distinct concept names (SUIs):    10,811,104
Number of distinct normalized concept names (LUIs):    9,837,739
Number of sources (distinct source families by language):    153
Number of sources contributing concept names:    195
Number of languages contributing concept names:    25

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG897851769.91%
SPA133505410.4%
FRE3972033.09%
POR3347402.61%
JPN3103382.42%
DUT2750652.14%
ITA2177391.7%
GER2143911.67%
RUS1739511.35%
CZE1565911.22%
HUN986140.77%
CHI697510.54%
NOR567730.44%
POL452440.35%
TUR429150.33%
KOR386640.3%
EST301260.23%
SWE263110.2%
FIN254890.2%
SCR96750.08%
GRE20990.02%
LAV14050.01%
DAN7230.01%
BAQ6950.01%
HEB4850%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0609166847.43%
11299511.01%
2221560.17%
3380676229.64%
41766161.38%
9261540520.37%
0+4 626828448.81%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y5294404.12%
N1105045986.05%
O12341589.61%
E285010.22%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG12664.62%
FRE94.62%
SPA94.62%
GER84.1%
DUT73.59%
ITA63.08%
POR52.56%
KOR31.54%
JPN21.03%
* 21.03%
RUS21.03%
SWE21.03%
CZE21.03%
NOR21.03%
FIN21.03%
HUN21.03%
LAV10.51%
GRE10.51%
TUR10.51%
HEB10.51%
DAN10.51%
BAQ10.51%
CHI10.51%
SCR10.51%
EST10.51%
POL10.51%

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