Table 1.3a. Admissions aged 12 and older, by gender and age at admission: 2001-2011 Number and average age at admission
[Based on administrative data reported to TEDS by all reporting States and jurisdictions (excl. Puerto Rico).]
Gender and age at admission	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Total	1,768,827	1,887,912	1,865,149	1,808,035	1,896,023	1,914,338	1,918,943	2,016,672	2,000,684	1,871,981	1,844,719
Gender
Male	1,234,280	1,318,225	1,286,348	1,235,809	1,291,716	1,300,492	1,297,635	1,363,296	1,357,445	1,257,997	1,231,524
Female	532,342	569,164	574,667	569,045	601,535	611,491	617,083	649,756	639,238	609,694	609,023
No. of admissions	1,766,622	1,887,389	1,861,015	1,804,854	1,893,251	1,911,983	1,914,718	2,013,052	1,996,683	1,867,691	1,840,547
Age at admission
12 to 17 years	145,438	157,896	157,177	146,405	145,203	143,490	142,640	154,601	153,475	137,407	137,867
18 to 19 years	73,499	77,688	76,582	75,558	77,693	77,417	77,077	82,755	84,348	76,603	69,140
20 to 24 years	221,595	246,006	249,781	254,107	272,183	275,987	274,400	291,371	297,462	284,808	275,592
25 to 29 years	201,679	214,243	216,711	223,585	250,948	268,234	276,951	298,213	304,232	291,175	287,686
30 to 34 years	257,847	259,685	244,912	225,400	224,861	216,816	214,049	227,709	232,971	230,323	238,574
35 to 39 years	302,242	305,175	282,439	257,209	257,327	249,773	238,542	233,998	216,540	192,284	179,025
40 to 44 years	262,645	282,062	280,383	268,674	274,989	265,926	255,052	250,695	231,491	205,147	196,049
45 to 49 years	163,723	185,946	188,535	186,872	202,848	212,206	219,219	230,200	225,496	204,902	196,929
50 to 54 years	80,752	92,338	95,954	98,637	110,623	118,669	127,633	141,991	145,229	139,813	146,223
55 to 59 years	33,297	39,280	41,128	41,823	47,399	53,547	56,977	65,340	68,118	68,685	73,944
60 to 64 years	15,083	16,441	16,649	16,523	18,184	18,841	20,867	23,614	25,518	25,891	28,708
65 years and older	11,027	11,152	11,154	10,772	11,481	11,490	11,840	12,925	13,391	13,106	13,039
No. of admissions	1,768,827	1,887,912	1,861,405	1,805,565	1,893,739	1,912,396	1,915,247	2,013,412	1,998,271	1,870,144	1,842,776
Average age at admission	33.8 yrs	33.9 yrs	34.0 yrs	34.0 yrs	34.1 yrs	34.2 yrs	34.3 yrs	34.3 yrs	34.2 yrs	34.2 yrs	34.4 yrs
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.