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Unified Medical Language System® (UMLS®)

Statistics - 2019AA Release

Official Counts:
Release version: 2019AA
Release format: RRF
Concepts: 3,848,696
Number of concept names (AUIs): 14,608,809
Number of distinct concept names (SUIs): 12,362,080
Number of distinct normalized concept names (LUIs): 11,287,530
Number of sources (distinct source families by language): 155
Number of sources contributing concept names: 210
Number of languages contributing concept names: 25

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG1040679771.24%
SPA151652710.38%
FRE4293392.94%
JPN3253652.23%
POR3077532.11%
DUT2878121.97%
ITA2397811.64%
GER2360811.62%
CZE1872691.28%
RUS1813951.24%
HUN1059650.73%
CHI782920.54%
NOR637970.44%
POL510960.35%
TUR510320.35%
KOR386640.26%
EST310120.21%
SWE297410.2%
FIN254890.17%
SCR100350.07%
GRE22590.02%
LAV14050.01%
DAN7230%
BAQ6950%
HEB4850%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0720087749.29%
11441590.99%
2221560.15%
3409333028.02%
41823551.25%
9296593220.3%
0+4 738323250.54%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y7019394.8%
N1240377384.91%
O149631110.24%
E67860.05%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG14066.67%
FRE94.29%
GER94.29%
SPA94.29%
DUT73.33%
ITA62.86%
POR52.38%
KOR31.43%
JPN20.95%
* 20.95%
RUS20.95%
SWE20.95%
NOR20.95%
CZE20.95%
FIN20.95%
HUN20.95%
LAV10.48%
GRE10.48%
TUR10.48%
HEB10.48%
DAN10.48%
BAQ10.48%
CHI10.48%
SCR10.48%
EST10.48%
POL10.48%

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

Last Reviewed: May 3, 2019