4-15  Age-specific Fertility Rate of Childbearing Women by Age of Mother and Birth Order (2005.11.1-2006.10.31)
Data in this table are obtained from the 2006 National Sample Survey on Population Changes. The sampling fraction is 0.907‰.
Age	Average Number	Births	1st Birth	2nd Birth	3rd Birth	Fertility	1st Birth	2nd Birth	3rd Birth
	of  Childbearing	(person)			and Above	Rate			and Above
	Women (person)
Total	328924	11509	7571	3492	447	34.99	23.02	10.62	1.36
15-19	49542	227	210	16	1	4.59	4.25	0.31	0.03
15	9304	0	0	0	0	0.04	0.04	0.00	0.00
16	11470	7	7	0	0	0.59	0.59	0.00	0.00
17	10232	25	24	1	0	2.41	2.33	0.08	0.00
18	9436	60	53	6	1	6.37	5.63	0.61	0.13
19	9100	135	126	9	0	14.87	13.88	0.99	0.01
20-24	38889	3948	3604	312	31	101.52	92.68	8.02	0.81
20	8191	368	352	16	0	44.94	42.95	1.99	0.00
21	7041	640	606	26	8	90.89	86.05	3.70	1.13
22	7454	860	806	51	3	115.42	108.14	6.87	0.41
23	7535	947	839	98	9	125.68	111.41	13.05	1.22
24	8669	1133	1001	120	11	130.65	115.50	13.86	1.29
25-29	38242	3813	2629	1062	122	99.70	68.75	27.77	3.18
25	7706	947	776	159	13	122.92	100.65	20.61	1.66
26	7390	856	635	195	26	115.79	85.87	26.39	3.53
27	7910	787	553	215	19	99.54	69.92	27.17	2.45
28	7914	682	385	262	35	86.15	48.66	33.05	4.45
29	7321	541	281	232	28	73.84	38.35	31.66	3.84
30-34	47580	2236	707	1391	139	47.00	14.85	29.23	2.92
30	8614	558	223	307	28	64.77	25.89	35.59	3.29
31	8606	517	183	304	29	60.03	21.24	35.36	3.42
32	9657	465	127	311	27	48.16	13.18	32.23	2.75
33	10290	385	87	260	38	37.45	8.44	25.29	3.72
34	10413	311	87	209	16	29.90	8.32	20.03	1.56
35-39	57920	940	252	576	112	16.23	4.34	9.95	1.94
35	11292	294	85	174	36	26.06	7.50	15.42	3.14
36	12428	232	62	139	31	18.70	5.01	11.16	2.53
37	11533	175	42	116	16	15.17	3.68	10.10	1.39
38	12615	147	36	92	19	11.69	2.89	7.25	1.54
39	10051	91	26	56	10	9.04	2.54	5.52	0.97
40-44	58505	259	120	107	32	4.42	2.05	1.83	0.54
40	11825	69	23	40	7	5.88	1.92	3.36	0.60
41	11605	64	26	30	9	5.52	2.23	2.56	0.74
42	11473	40	24	11	6	3.53	2.06	0.94	0.53
43	13359	38	17	16	5	2.86	1.27	1.21	0.38
44	10244	46	31	11	5	4.52	2.99	1.07	0.47
45-49	38247	86	49	27	10	2.26	1.27	0.72	0.27
45	5899	19	10	6	3	3.28	1.75	0.97	0.55
46	7102	16	11	4	1	2.26	1.51	0.62	0.13
47	6775	12	9	3	1	1.84	1.32	0.38	0.14
48	8625	17	10	6	1	1.96	1.17	0.70	0.09
49	9847	22	9	9	4	2.20	0.87	0.89	0.44