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Unified Medical Language System® (UMLS®)

Statistics - 2017AA Release

Official Counts:
Release version:    2017AA
Release format:    RRF
Concepts:    3,465,486
Number of concept names (AUIs):    13,518,566
Number of distinct concept names (SUIs):    11,413,674
Number of distinct normalized concept names (LUIs):    10,408,148
Number of sources (distinct source families by language):    154
Number of sources contributing concept names:    201
Number of languages contributing concept names:    25

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG951314970.37%
SPA138182310.22%
FRE4120043.05%
POR3450372.55%
JPN3167282.34%
DUT2813422.08%
ITA2305891.71%
GER2223461.64%
RUS1769811.31%
CZE1700241.26%
HUN1017340.75%
CHI681890.5%
NOR592850.44%
TUR505550.37%
POL488870.36%
KOR386640.29%
EST310910.23%
SWE292750.22%
FIN254890.19%
SCR98650.07%
GRE22010.02%
LAV14050.01%
DAN7230.01%
BAQ6950.01%
HEB4850%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0654310148.4%
11364051.01%
2221560.16%
3394189929.16%
41808741.34%
9269413119.93%
0+4 672397549.74%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y5775274.27%
N1160699285.86%
O13046159.65%
E294320.22%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG13165.17%
FRE94.48%
GER94.48%
SPA94.48%
DUT73.48%
ITA62.99%
POR52.49%
KOR31.49%
JPN21%
* 21%
RUS21%
SWE21%
NOR21%
CZE21%
FIN21%
HUN21%
LAV10.5%
GRE10.5%
TUR10.5%
HEB10.5%
DAN10.5%
BAQ10.5%
SCR10.5%
CHI10.5%
POL10.5%
EST10.5%

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