Official Counts:
Release version:    2023AB
Release format:    RRF
Concepts:    3,361,615
Number of concept names (AUIs):    15,888,629
Number of distinct concept names (SUIs):    13,147,630
Number of distinct normalized concept names (LUIs):    11,972,841
Number of sources (distinct source families by language):    166
Number of sources contributing concept names:    185
Number of languages contributing concept names:    27

Name Count by Language:

Language	Name Count	% of Metathesaurus
ENG	10161789	63.96%
SPA	1879224	11.83%
POR	452723	2.85%
FRE	446929	2.81%
JPN	345246	2.17%
RUS	306887	1.93%
DUT	301049	1.89%
GER	270780	1.7%
ITA	261387	1.65%
CZE	220372	1.39%
POL	182131	1.15%
SWE	164724	1.04%
KOR	153652	0.97%
GRE	117194	0.74%
LAV	116393	0.73%
HUN	115706	0.73%
ARA	114988	0.72%
CHI	84351	0.53%
NOR	63797	0.4%
TUR	49679	0.31%
EST	30024	0.19%
FIN	25489	0.16%
UKR	12177	0.08%
SCR	10035	0.06%
DAN	723	0%
BAQ	695	0%
HEB	485	0%

Name Count by Source Restriction Level (SRL):

SRL	Source Count	% of Sources
0	6906536	43.47%
1	181630	1.14%
2	22156	0.14%
3	5259560	33.1%
4	211463	1.33%
9	3307284	20.82%
0+4	7117999	44.8%

Count of Atoms by Suppressibility:

Suppressibility Status	Name Count	% of Metathesaurus
E	9661	0.06%
O	1920570	12.09%
N	13609918	85.66%
Y	348480	2.19%

Source Counts by Language (from MRSAB):

Language	Name count	% of Metathesaurus
ENG	105	56.76%
SPA	10	5.41%
GER	8	4.32%
FRE	8	4.32%
DUT	7	3.78%
POR	6	3.24%
ITA	5	2.7%
KOR	4	2.16%
RUS	3	1.62%
SWE	3	1.62%
POL	3	1.62%
CZE	2	1.08%
JPN	2	1.08%
GRE	2	1.08%
*	2	1.08%
FIN	2	1.08%
LAV	2	1.08%
HUN	2	1.08%
NOR	2	1.08%
HEB	1	0.54%
DAN	1	0.54%
BAQ	1	0.54%
TUR	1	0.54%
EST	1	0.54%
ARA	1	0.54%
SCR	1	0.54%
UKR	1	0.54%
CHI	1	0.54%

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

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