The most fundamental attributes of the population structure are the age and sex composition since changes hereof directly affects the fertility and mortality levels as well as the social and economic developments of the municipality.

          The population structure composes the younger population with ages ranging from 0-14, the productive or the working population with ages 15 to 64, and the older age group aging 65 and above.

          The 2015 population structure of Liloy shows that the productive or the working age group with a population of 20,883 representing 56.52 percent of the total municipal population dominates the entire population of the municipality. The dependent age group on the other hand, represents of 0 to 14 and the 65 and over age brackets, represents only 43.48 percent. The municipality‘s dependency ratio is estimated at 77:100. This indicates that there are 77 dependents for every 100 persons in the productive or working age group.

          In terms of sex distribution, the males outnumbered the females by 2 percent. The male population constitutes 51 percent of the total population, while female constitutes only 49 percent. This shows that for every 100 males there are 96 females

                POPULATION BY AGE-GROUP & SEX STRUCTURE

Table 5

AGE-GROUP	2007	2010	2015
TOTAL	MALE	FEMALE	TOTAL	MALE	FEMALE	TOTAL	MALE	FEMALE
0-4	4,646	2,384	2,262	4,514	2,336	2,178	4,541	2,362	2,179
5-9	4,310	2,247	2,063	4,458	2,303	2,155	4,528	2,339	2,189
10-14	4,303	2,200	2,103	4,478	2,321	2,157	4,468	2,320	2,148
15-19	3,537	1,898	1,639	3,977	2,045	1,932	3,624	1,876	1,748
20-24	2,618	1,388	1,230	3,121	1,637	1,484	3,145	1,574	1,571
25-29	2,567	1,351	1,216	2,704	1,379	1,325	2,720	1,388	1,332
30-34	2,545	1,316	1,229	2,687	1,394	1,293	2,513	1,297	1,216
35-39	2,537	1,323	1,214	2,574	1,326	1,248	2,535	1,297	1,238
40-44	2,231	1,171	1,060	2,305	1,225	1,080	2,389	1,242	1,147
45-49	1,873	954	919	1,949	988	961	2,230	1,171	1,059
50-54	1,551	807	744	1,626	812	814	1,868	973	895
55-59	1,210	572	638	1,322	637	685	1,537	755	782
60-64	955	497	458	998	477	521	1,261	618	643
65 and over	2,065	1,003	1,062	2,133	1,000	1,133	2,423	1,101	1,322
65-69	844	412	432				887	406	481
70-74	595	293	302				681	326	355
75-79	336	169	167				479	202	277
80 and over	290	129	161				376	167	209
TOTAL	39,013	20,114	18,899	38,846	19,880	18,966	39,782	20,313	19,469

1.6  Population Composition by Working-age and Dependent-age

The working-age population of the municipality aging from (15-64) both male and female are 23,822, while the younger dependent (0-14) and the old dependent (65 and over) are about 15,960 of the total population, it is also represent that municipal  the dependency ratio are 67 percent.

Table 6

Classification	Total	Male		Female		Ratio
		Number	Percent	Number	Percent
Working-age (15-64)	23,822.00	12,191.00	51.18	11,631.00	48.82	105.00
Dependent (0-14 and 65 & over)	15,960	8,122	50.89	7,838	49.11	104

DEPENDENCY	RATIO
Young Dependency Ratio	100:57
Old Dependecy Ratio	100:10
	100:67

             FIGURE 2 DEPENDENCY RATIO