Table 18. Medicare ESRD program enrollment, by age, sex, and race: 1974-81 ¹.

Age, sex, and race	Year								Percent change
	1974	1975	1976	1977	1978	1979	1980	1981	1974-81	Yearly average
Total	15993	22674	28941	34778	43125	50829	57818	64063	301	21.9
Age
0-14 years	211	315	363	402	401	605	695	815	286	21.3
15-24 years	1075	1543	1900	2166	2562	3146	3583	3836	257	19.9
25-34 years	1774	2688	3387	4196	5070	6283	7345	8485	378	25.0
35-44 years	2161	3127	4009	4787	5989	7279	8277	9248	328	23.1
45-54 years	3069	4509	5652	6697	8103	9284	10489	11550	276	20.8
55-64 years	2836	4394	5879	7353	9101	10742	12399	14018	394	25.6
65 years and over	4868	6097	7751	9178	11899	13490	15030	16111	231	18.6
Sex
Male	9071	12597	15920	19063	23806	27989	31804	35168	288	21.4
Female	6921	10077	13021	15715	19316	22837	26010	28891	317	22.6
Race
White	11738	16411	20693	24620	30068	35201	39459	43266	269	20.5
Black	3560	5139	6871	8496	10834	12867	15028	16927	375	24.9
All other	384	580	746	886	1177	1432	1716	1956	409	26.2
Unknown	311	544	631	776	1046	1329	1615	1914	515	29.6

¹Enrollment was measured as of July 1 each year.