Table 1.3b. Admissions aged 12 and older, by gender and age at admission: TEDS 1999-2009 and U.S. population aged 12 and older 2009 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
	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009		2009
Gender
Male	70.5	70.1	69.9	69.8	69.1	68.5	68.2	68.0	67.8	67.8	68.1		49.0
Female	29.5	29.9	30.1	30.2	30.9	31.5	31.8	32.0	32.2	32.2	31.9		51.0
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	8.0	7.9	8.2	8.4	8.4	8.1	7.7	7.5	7.4	7.6	7.6		9.6
18 to 19 years	4.1	4.2	4.2	4.1	4.1	4.2	4.1	4.0	4.0	4.1	4.2		3.5
20 to 24 years	11.0	11.7	12.5	13.0	13.4	14.1	14.4	14.4	14.3	14.4	14.9		8.4
25 to 29 years	12.5	11.8	11.4	11.3	11.6	12.4	13.2	14.0	14.5	14.8	15.2		8.4
30 to 34 years	16.0	15.2	14.6	13.8	13.2	12.5	11.9	11.3	11.2	11.3	11.7		7.7
35 to 39 years	18.3	17.9	17.1	16.2	15.2	14.2	13.6	13.1	12.5	11.6	10.8		8.0
40 to 44 years	14.3	14.7	14.8	14.9	15.1	14.9	14.5	13.9	13.3	12.5	11.6		8.2
45 to 49 years	8.5	8.9	9.3	9.8	10.1	10.3	10.7	11.1	11.5	11.5	11.3		8.9
50 to 54 years	4.0	4.3	4.6	4.9	5.2	5.5	5.8	6.2	6.7	7.1	7.3		8.5
55 to 59 years	1.9	1.9	1.9	2.1	2.2	2.3	2.5	2.8	3.0	3.3	3.4		7.4
60 to 64 years	0.8	0.8	0.9	0.9	0.9	0.9	1.0	1.0	1.1	1.2	1.3		6.2
65 years and older	0.7	0.7	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.7		15.4
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 11.03.10.  U.S. population: U.S. Bureau of the Census. Annual State Resident Population Estimates for 6 Race Groups by Age, Sex, and Hispanic Origin: April 1, 2000 to July 1, 2009 (SC-EST2009-ALLDATA6, rel. June, 2010).