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Unified Medical Language System® (UMLS®)

Statistics - 2018AA Release

Official Counts:
Release version: 2018AA
Release format: RRF
Concepts: 3,665,926
Number of concept names (AUIs): 14,089,874
Number of distinct concept names (SUIs):11,921,122
Number of distinct normalized concept names (LUIs): 10,891,235
Number of sources (distinct source families by language): 154
Number of sources contributing concept names: 203
Number of languages contributing concept names: 25

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG995861470.68%
SPA144436710.25%
FRE4218762.99%
POR3522202.5%
JPN3210822.28%
DUT2855272.03%
ITA2358411.67%
GER2263281.61%
RUS1808721.28%
CZE1795971.27%
HUN1038690.74%
CHI766760.54%
NOR617400.44%
TUR509940.36%
POL501130.36%
KOR386640.27%
EST312000.22%
SWE292750.21%
FIN254890.18%
SCR99840.07%
GRE22380.02%
LAV14050.01%
DAN7230.01%
BAQ6950%
HEB4850%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0690152848.98%
11392710.99%
2221560.16%
3402830728.59%
41817381.29%
9281687419.99%
0+4 708326650.27%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y6688644.75%
N1204042485.45%
O13739939.75%
E65930.05%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG13365.52%
FRE94.43%
GER94.43%
SPA94.43%
DUT73.45%
ITA62.96%
POR52.46%
KOR31.48%
JPN20.99%
* 20.99%
RUS20.99%
SWE20.99%
NOR20.99%
CZE20.99%
FIN20.99%
HUN20.99%
LAV10.49%
GRE10.49%
TUR10.49%
HEB10.49%
DAN10.49%
BAQ10.49%
CHI10.49%
SCR10.49%
POL10.49%
EST10.49%

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