6.3 Brazil

6.3.1 Total adolescent births

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Total adolescent births per woman

	Country	5-year birth cohort	Unweighted cases	Total adolescent births
		1940 1985	419 3266	0.347557897991900 0.578038757196100
1	Brazil	1940	419	0.58
2	Brazil	1945	739	0.45
3	Brazil	1950	927	0.43
4	Brazil	1955	1,464	0.44
5	Brazil	1960	3,266	0.38
6	Brazil	1965	2,360	0.41
7	Brazil	1970	2,310	0.35
8	Brazil	1975	2,530	0.49
9	Brazil	1980	2,747	0.45
10	Brazil	1985	1,035	0.41

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6.3.2 Total adolescent births by age at first birth

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Total adolescent births per woman by age at first birth

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Total adolescent births
		1940 1985		8 552	1.049486846810270 3.510003600466030
1	Brazil	1940	14 years and younger	11	3.51
2	Brazil	1940	15-17 years	58	2.25
3	Brazil	1940	18-19 years	71	1.22
4	Brazil	1945	14 years and younger	8	2.82
5	Brazil	1945	15-17 years	88	2.09
6	Brazil	1945	18-19 years	114	1.18
7	Brazil	1950	14 years and younger	16	2.91
8	Brazil	1950	15-17 years	101	2.15
9	Brazil	1950	18-19 years	130	1.16
10	Brazil	1955	14 years and younger	23	2.51

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6.3.3 Contribution to total adolescent fertility by cohort and age at first birth

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Contribution to total adolescent fertility by cohort and age at first birth

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Proportion
		1940 1985		8 552	0.041692954205175 0.563179592149475
1	Brazil	1940	14 years and younger	11	0.15
2	Brazil	1940	15-17 years	58	0.49
3	Brazil	1940	18-19 years	71	0.36
4	Brazil	1945	14 years and younger	8	0.06
5	Brazil	1945	15-17 years	88	0.55
6	Brazil	1945	18-19 years	114	0.39
7	Brazil	1950	14 years and younger	16	0.10
8	Brazil	1950	15-17 years	101	0.53
9	Brazil	1950	18-19 years	130	0.37
10	Brazil	1955	14 years and younger	23	0.09

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6.3.4 Contribution to total adolescent fertility by age at first birth (all cohorts)

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Contribution to total adolescent fertility by age at first birth (all cohorts)

	Country	Age at first birth	Unweighted cases	Proportion
			320 2885	0.080545430737697 0.527074453483854
1	Brazil	14 years and younger	320	0.08
2	Brazil	15-17 years	2,645	0.53
3	Brazil	18-19 years	2,885	0.39

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6.3.5 Completed fertility by motherhood entry age

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Children ever born by motherhood entry age, women aged 40 and older

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Number of children
		1940 1965		35 1786	2.149032657240260 7.422056085990510
1	Brazil	1940	All mothers	385	5.42
2	Brazil	1940	In adolescence	140	7.42
3	Brazil	1940	After adolescence	245	4.34
4	Brazil	1945	All mothers	115	4.45
5	Brazil	1945	In adolescence	35	5.48
6	Brazil	1945	After adolescence	80	3.93
7	Brazil	1955	All mothers	403	2.84
8	Brazil	1955	In adolescence	147	3.79
9	Brazil	1955	After adolescence	256	2.32
10	Brazil	1960	All mothers	1,786	2.69

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6.3.6 Difference in completed fertility between adolescent and non-adolescent mothers

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Difference in completed fertility between adolescent and non-adolescent mothers

	Country	5-year birth cohort	Difference in number of births
		1940 1965	1.236329013992940 3.077873056169290
1	Brazil	1940	3.08
2	Brazil	1945	1.56
3	Brazil	1955	1.47
4	Brazil	1960	1.37
5	Brazil	1965	1.24

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6.3.7 Contribution of adolescent fertility to total fertility by cohort

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Contribution of adolescent fertility to total fertility by cohort

	Country	5-year birth cohort	Unweighted cases	Proportion
		1940 1965	115 1786	0.115325751423057 0.185811238190504
1	Brazil	1940	385	0.12
2	Brazil	1945	115	0.12
3	Brazil	1955	403	0.18
4	Brazil	1960	1,786	0.15
5	Brazil	1965	639	0.19

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6.3.8 Mean age at first birth

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Mean age at first birth, women with first birth before age 30

	Country	5-year birth cohort	Unweighted cases	Mean age
		1940 1975	385 1958	21.24350603366750 23.65006325531310
1	Brazil	1940	385	22.52
2	Brazil	1945	671	22.75
3	Brazil	1950	822	22.50
4	Brazil	1955	561	22.87
5	Brazil	1960	1,786	23.65
6	Brazil	1965	1,850	23.01
7	Brazil	1970	1,958	22.40
8	Brazil	1975	682	21.24

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6.3.9 Adolescent parity progression ratios

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Adolescent parity progression ratios

	Country	5-year birth cohort	Progression ratio from	Unweighted cases	Ratio
		1940 1985		1 994	0.051749860663683 0.519471902121835
1	Brazil	1940	none to 1st birth	140	0.32
2	Brazil	1940	1st to 2nd birth	75	0.52
3	Brazil	1940	2nd to 3rd birth	29	0.38
4	Brazil	1940	3rd to 4th birth	10	0.33
5	Brazil	1940	4th to 5th birth	3	0.30
6	Brazil	1945	none to 1st birth	210	0.28
7	Brazil	1945	1st to 2nd birth	94	0.44
8	Brazil	1945	2nd to 3rd birth	28	0.27
9	Brazil	1945	3rd to 4th birth	13	0.42
10	Brazil	1945	4th to 5th birth	2	0.17

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6.3.10 Adolescent parity progression ratios by age

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Adolescent parity progression ratios by mother's age at first birth

	Country	5-year birth cohort	Age at first birth	Progression ratio from	Unweighted cases	Ratio
		1940 1985			0 552	0.000000000000000 1.000000000000000
1	Brazil	1940	14 years and younger	none to 1st birth	11	0.02
2	Brazil	1940	15-17 years	none to 1st birth	58	0.13
3	Brazil	1940	18-19 years	none to 1st birth	71	0.17
4	Brazil	1940	14 years and younger	1st to 2nd birth	10	0.95
5	Brazil	1940	15-17 years	1st to 2nd birth	53	0.89
6	Brazil	1940	18-19 years	1st to 2nd birth	12	0.18
7	Brazil	1940	14 years and younger	2nd to 3rd birth	9	0.95
8	Brazil	1940	15-17 years	2nd to 3rd birth	17	0.30
9	Brazil	1940	18-19 years	2nd to 3rd birth	3	0.25
10	Brazil	1940	14 years and younger	3rd to 4th birth	6	0.62

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6.3.11 Rapid Repeat Birth probability

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Likelihood that an adolescent mother has a rapid repeat birth

	Country	5-year birth cohort	Likelihood
			0.159821845313477 0.617513380927852
1	Brazil	1940	0.62
2	Brazil	1945	0.52
3	Brazil	1950	0.55
4	Brazil	1955	0.46
5	Brazil	1960	0.36
6	Brazil	1965	0.32
7	Brazil	1970	0.21
8	Brazil	1975	0.27
9	Brazil	1980	0.22
10	Brazil	1985	0.16

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6.3.12 Rapid Repeat Birth proportion

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Proportion of nonfirst adolescent births that are rapid repeat births

	Country	5-year birth cohort	Unweighted cases (non-first adolescent births)	Proportion
		1940 1985	117 424	0.509338848910525 0.849646120782501
1	Brazil	1940	117	0.79
2	Brazil	1945	137	0.79
3	Brazil	1950	177	0.85
4	Brazil	1955	245	0.76
5	Brazil	1960	418	0.72
6	Brazil	1965	356	0.64
7	Brazil	1970	347	0.57
8	Brazil	1975	424	0.60
9	Brazil	1980	369	0.57
10	Brazil	1985	120	0.51

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