Table 1.3b. Admissions aged 12 and older, by gender and age at admission: 2001-2011 and U.S. population aged 12 and older: 2011 Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions (excl. Puerto Rico).]
Gender and age at admission	TEDS admissions												U.S. pop. aged 12 and older
	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011		2011
Gender
Male	69.9	69.8	69.1	68.5	68.2	68.0	67.8	67.7	68.0	67.4	66.9		48.8
Female	30.1	30.2	30.9	31.5	31.8	32.0	32.2	32.3	32.0	32.6	33.1		51.2
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0		100.0
Age at admission
12 to 17 years	8.2	8.4	8.4	8.1	7.7	7.5	7.4	7.7	7.7	7.3	7.5		9.3
18 to 19 years	4.2	4.1	4.1	4.2	4.1	4.0	4.0	4.1	4.2	4.1	3.8		3.3
20 to 24 years	12.5	13.0	13.4	14.1	14.4	14.4	14.3	14.5	14.9	15.2	15.0		8.4
25 to 29 years	11.4	11.3	11.6	12.4	13.3	14.0	14.5	14.8	15.2	15.6	15.6		8.2
30 to 34 years	14.6	13.8	13.2	12.5	11.9	11.3	11.2	11.3	11.7	12.3	12.9		8.0
35 to 39 years	17.1	16.2	15.2	14.2	13.6	13.1	12.5	11.6	10.8	10.3	9.7		7.6
40 to 44 years	14.8	14.9	15.1	14.9	14.5	13.9	13.3	12.5	11.6	11.0	10.6		8.1
45 to 49 years	9.3	9.8	10.1	10.3	10.7	11.1	11.4	11.4	11.3	11.0	10.7		8.5
50 to 54 years	4.6	4.9	5.2	5.5	5.8	6.2	6.7	7.1	7.3	7.5	7.9		8.6
55 to 59 years	1.9	2.1	2.2	2.3	2.5	2.8	3.0	3.2	3.4	3.7	4.0		7.7
60 to 64 years	0.9	0.9	0.9	0.9	1.0	1.0	1.1	1.2	1.3	1.4	1.6		6.6
65 years and older	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.7	0.7	0.7		15.8
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0		100.0
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.15.12.  Population: U.S. Bureau of the Census, Population projections data 2000-2050.