Late marriage and the HIV epidemic in sub-Saharan Africa

The causes of large variation in the sizes of HIV epidemics among countries in sub-Saharan Africa are not well understood. Here we assess the potential roles of late age at marriage and a long period of premarital sexual activity as population risk factors, using ecological data from 33 sub-Saharan African countries and with individual-level data from Demographic and Health Surveys (DHS) in Kenya and Ghana in 2003. The ecological analysis finds a significant positive correlation between HIV prevalence and median age at first marriage, and between HIV prevalence and interval between first sexual intercourse and first marriage. The individual-level analysis shows that HIV infection per year of exposure is higher before than after first marriage. These findings support the hypothesis of a link between a high average age at marriage and a long period of premarital intercourse during which partner changes are relatively common and facilitate the spread of HIV.     

<Emphasis Type="Italic">Knot yet</Emphasis>: minimum marriage age law,marriage delay,and earnings

Despite the historical highs for age at first marriage, little is known about the causal relationship between marriage delay and wages, and more importantly, the mechanisms driving such relationship. We attempt to fill the void. Building on an identification strategy proposed in Dahl (Demography 47:689–718, 2010), we first establish the causal wage effects of marriage delay. We then propose ways to distinguish among competing theories and hypotheses, as well as the channels through which marriage delay affects wages. Specifically, we take advantage of their different implications for causal relationship, across gender and sub-populations. We reach two conclusions. First, we find a positive causal impact of marriage delay on wages, with a larger effect for women. Comparison of IV and OLS estimates suggests that the observed relationship between marriage delay and wages is attributed to both selection in late marriages and true causal effects. Second, we find strong evidence that the positive, causal effects are almost exclusively through increased education for both men and women.     

An analysis of the change of marriage pattern of Beijing women]

Changes in marriage patterns occur primarily in changes in the age at marriage. During a study of fertility among Beijing, China, women in 1981, another study was undertaken of the marriage situation of 8299 women who were born in 1914, 1920, 1930, 1940, and 1946. Data show that the rate of unmarried women was close to zero, which is one reason for the high birth rate in the past. A majority of the urban and rural women born in 1914, 1920, and 1930 married before the age of 15 years, indicating that the economic, social, and marriage customs for those decades changed very little. The 1940 cohort, however, showed no urban marriages prior to the age of 15 years and less than 1% in the villages, the reason being that these women were of marriageable age in the mid-to-late 1950s when China underwent major social and economic changes that raised the status of women and permitted them to join the work force or go to school. Very few urban women in the 1946 cohort married before 20 years of age, and the number of rural women who married before they were 18 years old declined noticeably. Findings also show that for both urban and rural women, the average age at marriage was 1-3 years later than the modal age at marriage. Beginning with the 1940 cohort the age at marriage was older by 2 1/2 years, signaling major changes. Except for the 1914 cohort, the median age at marriage for all others gradually became higher. 70% of the 1946 cohort voluntarily married after turning 23 years old, reflecting the effectiveness of the late marriage, late birth policy. Although close to 59% of rural women born in 1946 married before 23 years of age, nearly double the rate for urban women, it is nevertheless a major change from the 1930 cohort where 95% of the women married before turning 23 years old.     

The family planning work as suggested by analysis of the age at first marriage in Jiaxing Prefecture, Zhejiang Province]

Since 1970 when the big push for family planning began, China advocated late marriages. In general, the age for late marriage for female peasants is 23 years and 25 for males; for urban females and males, it is 25 and 27 years, respectively. In 1981 the New Marriage Law stipulated the age at marriage to be 20 years for females and 22 for males (these ages are lower than the ages advocated for marriage in actual practice). Despite the New Marriage Law, however, there was in 1981 an increase in the number of people who married before attaining the "late marriage age," thereby creating problems in family planning work. Since 1981, early marriages have been an increasing phenomenon (for the purposes of this essay, age at early marriage is 23 years for females and 25 for males). Jiaxing Prefecture had a 460.53% increase from 1979 to 1981 in the number of women who married early. The following findings were based on studies of Tungxiang and Pinghu Countries. Early marriages as well as "regular" marriages have increased greatly, with early marriage exceeding the number of other marriages. Urban marriages are far more moderate in number than rural marriages, partly because family planning work in urban areas is more effective. Early marriage in areas where family planning work was effective is less extreme than in areas where family planning work was ineffective. Findings from Kayuan Commune of Tungxiang County shows that 47.8% of all male marriages in 1981 were early marriages, as opposed to 6.3% in 1980. The average age for men at marriage in 1981 was 1.6 years younger than in 1980, and .75 years younger for females. Undoubtedly the New Marriage Law influenced the trend in early marriages, but the main reason is that the agarian economy is backwards. Further, traditional attitudes (e.g., "the sooner the children come the sooner the riches come") prevail.     

The family planning work in Yiyang prefecture as suggested by part of the data of the sample fertility survey]

The National Committee on Family Planning conducted a sample survey of fertility in the Yi-yang area in September 1982. The survey was focused on the marriage and fertility status of women between the ages of 15 and 67. Results from this survey show that early marriage is still very popular. Only 40% of those surveyed delayed their marriage to a later age. There is a need to educate the people on the benefits of late marriage. In addition, statistics show that the average fertility rate for a woman was 6.8 children in 1970 and 2.35 children in 1982. This recent figure is still too high when compared with the under 1.2 figure suggested by the central government. Among the total number surveyed, only 77% have taken birth control measures, and the other 23% still have not taken any birth control measures. The phenomenon shows that popular education on late marriage and having children at a later age is still urgently needed in order to further reduce the fertility rate. Married couples of childbearing age should be taught effective birth control measures and knowledge of eugenics with better education for the next generation. In this way, the masses may participate actively and positively in the national family planning campaign.     

Age at marriage and timing of the first birth

Summary An attempt has been made to measure the effect of age at marriage of brides on the timing of the first birth. In Australian vital statistics, first nuptial confinements have been tabulated by age of mothers and by single years of marriage duration in single months for the first two years and by single years for all other durations since 1916. A simple technique has been used to link such data with marriage cohorts. The study briefly reviews the prevailing patterns of the timing of first births by mothers' age at marriage and changes in this pattern since the marriages of the 1925/9 period. The analysis shows that after a period of relative stability of family formation patterns in the 1950s and early 1960s, women married in the late 1960s started postponing the first birth beyond the first two years of marriage. It is suggested that a fraction of the decline in total births recorded in Australia since 1972 can be attributed to the postponement of first nuptial confinements by women married in the late 1960s and early 1970s.     

Effects of the timing of marriage and first birth of the spacing of subsequent births

Analyzing data from a fifteen-year follow-up survey of high school students originally surveyed in 1957–58 and resurveyed in 1973–74, this paper examines the effects of the timing of marriage and first birth on subsequent child spacing, holding constant the effects of other variables that may be sources of spuriousness. The results suggest that age at first marriage has a causal effect on the occurrence of a short first birth interval and that age at first marriage and premarital pregnancy interact in their effect on the occurrence of a short second birth interval. Age at first marriage has no causal effect on the spacing of the second birth for those whose first child was maritally conceived. The spacing of the first birth, however, appears to have a causal effect on the spacing of the second.     

Family structure and socio-economic differentials in fertility

Abstract The long standing research on the relation of socio-economic status and fertility has recently given way to a focus on those factors which account for class differentials. Although class differences in fertility seem to be diminishing, the basic relationship remains inverse.(2) In an attempt to explain class differentials in fertility, researchers have begun to look at such variables as age at marriage(3), value orientations(4), and non-fiunilial activity.(5) Bumpass demonstrated that age at marriage is an interaction variable which greatly attenuates the relationship between social class and fertility. He found that the relationship was inverse among women marrying before age 19, but direct among women who were 23 years or older at first marriage. Clifford examined value orientations as an intervening variable in the socio-economic status-fertility relationship. Modern and traditional value orientations did aid in interpreting the relationship, but other factors were also operative. Kupinsky found that the non-familial activity of women decidedly influenced socio-economic differentials infertility. Thelabour force participation of women had a greater effect on reducing fertility among upper-status women than among those of lower status. This relationship was also influenced by the rural-urban background of the women.     

The conflicting effects of delayed marriage and declining divorce rates on cumulative fertility in Indonesia

The impact of nuptiality patterns on fertility in Indonesia is examined with multivariate analysis controlling for 8 socioeconomic variables. Data were obtained from the 1987 Indonesian Contraceptive Prevalence Survey. Marriage is usually universal by age 35, and in this study all women 30 years had been married at least once. 20% were married at 15 years and 45% married at 18 years. For those married more than once, prevalence of 1st marriage was 7% for women 15-24 years, 15% for 25-34 years, and 29% for 35-49 years. In 1976 and 1987, the age at 1st marriage and number of times married were both strongly and negatively correlated. The % never marrying between 15-49 years rose from 21.5% to 26.4% between 1980-87. Cumulative fertility w as related to both age at 1st marriage and number of times married. Muslim women, women in Java and Bali, and rural women all marry at younger ages. 27% of the variance in age at 1st marriage is explained by women aged 25-34, current residence, region, religion, language, education, and work or not before marriage. The number of times married is also associated with socioeconomic characteristics without control, i.e., Muslim women 25-34 years were 3 times more likely to have been married more than once than in other faiths. With controls for socioeconomic factors, only 13% of the variance is explained and being Muslim has no statistically significant effect. The important net effects were being interviewed in Balinese, age, and age at 1st marriage. In the analysis of cumulative fertility, age at 1st marriage consistently is related to cumulative fertility in almost every socioeconomic group when age and number of times married is controlled for. Women married more than once have lower fertility. 36% of the variance is explained by all the variables. Being married more than once leads to having 2.1 fewer children. A 5-year delay in marriage leads to .75-1.1 fewer children. When other variables are controlled for, neither educational level nor prior work experience has a statistically significant effect on cumulative fertility. In the contraception analysis, women married more than once used contraception less. Among women 35-49, those marrying later had higher contraceptive use, but in general contraceptive use declined with age. More information is needed on why marriage patterns are changing.     

Economic analysis of age at first marriage

A subject of great interest to demographers is to relate the timing of demographic events to individual characteristics and environmental variables. Static models of marriage tend to give corner solutions, the choice of marriage or remaining single. This article develops an economic model of marriage which gives interior solutions to the optimum age at first marriage and which does not include an explicit argument about the age at marriage in the utility function. In theoretical analysis, life cycle model is modified to capture different aspects of the decision of when to get married. Results from empirical analysis support implications derived from the theoretical analysis.     

Marriage Patterns And Cumulative Fertility In West Malaysia: 1966–1967

Differentials in age at first marriage and being married more than once are discussed for a probability sample of West Malaysian currently married women 15-44 years of age. Both marriage ages and the incidence of multiple marriages vary greatly by race, place of current residence, wife's education, and husband's occupation; and the marriage variables are shown to have significant effects on the cumulative fertility of West Malaysian women. Early marriage leads to higher cumulative fertility and multiple marriages lead to lower cumulative fertility. Since the social groups with the highest proportions of early marriages are also those with the highest incidence of multiple marriages, the marriage variables explain some but not all of the variance in cumulative fertility for West Malaysian social groups. After adjustment for the effects of the marriage variables, rural Indian or Pakistani women still have the highest cumulative fertility and urban Chinese women with more than five years of schooling still have the lowest cumulative fertility.     

Economic opportunities,marriage squeezes and the propensity to marry: An economic analysis of period marriage rates in England and Wales

An economic model of the decision to marry has been developed by Gary Becker and is now part of the ‘new home economics’. From it one can deduce that the propensity to marry is a function of the relative earning capacities of men and women, the relative scarcity of unmarried persons of the opposite sex and real income. The effects of changes in these variables on the annual first marriage rates of men aged 16–19, 20–24 and 25–29 and women aged 16–19 and 20–24 respectively are estimated over the post-war period. It is found that women's earning capacity relative to men's has a particularly strong negative effect on marriage rates, and that the decline in first marriage rates during the 1970s was primarily attributable to the growing economic opportunities for women. As demographic studies have suggested, the relative numbers of bachelors and spinsters of particular ages (‘marriage squeezes’) also have a significant impact, and there is evidence of substitution in the ages of marriage partners in response to such ‘squeezes’. The income elasticity of marriage is only found to be significant among men below age 25 and women below age 20, and it increases as we move down the age distribution. This suggests the ‘liquidity constraints’ influence the timing of marriage among young people. In sum, this economic model is able to account for over 90 per cent of the post-war variation in young persons' marriage rates.     

Schooling,marriage, and age at first birth in Madagascar

The low school attainment, early marriage, and low age at first birth of females are major policy concerns in less developed countries. This study jointly estimated the determinants of educational attainment, marriage age, and age at first birth among females aged 12–25 in Madagascar, explicitly accounting for the endogeneities that arose from modelling these related outcomes simultaneously. An additional year of schooling results in a delay to marriage of 1.5?years and marrying 1?year later delays age at first birth by 0.5?years. Parents’ education and wealth also have important effects on schooling, marriage, and age at first birth, with a woman's first birth being delayed by 0.75?years if her mother had 4 additional years of schooling. Overall, our results provide rigorous evidence for the critical role of education—both individual women's own and that of their parents—in delaying the marriage and fertility of young women.     

A simulation of the impact of changes in age at marriage before and during the advent of industrialization in England

Summary The quantitative significance of changes in age at marriage on family size is assessed by applying a simple simulation model of family reproduction, using data broadly related to England in the period 1700-1850. Within this context, the impacts of parity-specific infant mortality, and an association between age at marriage and potential fertility are considered. The evidence concerning variations in marriage and mortality distributions over the period in question is examined and linked to the simulation results to produce some tentative conclusions relating to the impact of changes in the distribution of age at marriage on the birth rate and rate of population growth and to an assessment of such changes as an homeostatic adjustment mech-anism. In particular, it is argued that age at marriage played no more than a secondary role in the English demographic revolution.     

Birth limitation, late marriage and decline in the natural increase rate of the population]

Birth limitation and late marriage are two major factors which contribute to the reduction of population growth rate. These two factors should be used as the fundamental method for effectively controlling China's population growth. Facts have proved that birth limitation and late marriage are complimentary to each other and should match each other closely. Since late marriage cannot be delayed indefinitely, the average fertility rate for females under the age of 25 in their first marriage may still reach 5-6 children, provided that birth control measures are not taken. Because of this situation, at the same time that late marriage is encouraged, birth control should also be promoted positively. All married couples should be advised to have only one child. In order to ensure the everlasting practice of these two methods, certain policies concerning family planning and birth control should be formulated according to China's current economic situation. These policies include enforcement of an ideological education and social insurance practice in order to solve the problem of the high population growth rate in the countryside and effectively reach the goal of controlling China's population growth.     

Proximate determinants of Philippine fertility: 1983 levels and patterns

Data from the 1983 National Demographic Survey are used to analyze the proximate determinants of Philippine fertility in each of the 3 stages of family formation and to identify all of the direct and indirect factors affecting fertility levels and trends. 10,843 ever-married women and 12,771 children were included. The analysis pertains first to the starting patterns of family formation, the age at first birth, and the proximate determinants (age at menarche, age at first marriage/union, conception before first birth, fetal wastage first birth, interval between first marriage and first birth). Further analysis examines birth spacing patterns including the postpartum nonsusceptible period, the exposure interval and stopping patterns. Almost all births occur within marriage, and childbearing begins late at 22.5 years. However, 15.4% of first births are conceived premaritally. The mean age at first birth increases from younger to older cohorts. Urban women were slightly older (23.0 years) at the birth of their first child. Those with education below the 4th grade had first births 3.5 years earlier. Contraceptive use was low at 1.8% before first birth. Younger cohorts were more likely to use birth control and urban wives were more likely to use it than rural wives. 6.4% reported a first pregnancy ending in nonlive births, which were primarily spontaneous abortions (5.2%), stillbirths (1.0%), and induced abortions (.2%). 5.8% report never having been pregnant and 1.1% never having given birth to a live-born child. 20.4% were childless between the ages of 15-24 years, and 4.6% between 25-34 years. Childlessness was slightly higher among urban women (7.1%) than rural women (6.7%). A decreasing age at menarche has appeared; i.e., 13.6 years for the cohort 15-24 years, and 14.0 for the oldest cohort. By age 15, 82.9% had begun menstruating. The mean age at marriage is early at 20.7 years, and older cohorts tended to marry later at 21.4 years. Urban women marry a year later (21.4 years) than rural women. Lower educated women marry 4 years earlier. The mean length between first marriage and first birth was 18.4 months. In the younger cohorts, spacing patterns are shorter. Postpartum susceptibility is short. Return to sexual relations after a birth occurred at 2.8 months. The exposure time required to conceive is fairly long at 16.6 months and is attributed to contraceptive use, since coital frequency is high and temporary separation is infrequent. The average age at last birth is late at 37.6 years.     

Determinants Of Cumulative Fertility In Ghana

The relatively few studies conducted on fertility differentials in Ghana have not controlled for the effect of important demographic variables, such as age at first marriage and current age of respondent. This paper attempts a multivariate analysis of the relationship between cumulative fertility and age at first marriage, level of education, religion, form of marriage and residence of husband. Data drawn from a census sample survey in 1971 include 72,816 currently married females aged 15–49 years. Age at first marriage was inversely related to cumulative fertility. The differentials were more pronounced for older women. Among the older women, the differentials were larger for rural than urban women. There were also significant fertility differentials associated with level of education, religion and form of marriage. Husband’s residence was a poor predictor of cumulative fertility. As a policy measure, it is suggested that priority be given to providing young women with more education or employment opportunities as an alternative to early marriage.     

Trends in age at marriage in postwar Ireland

Age at marriage in the Republic of Ireland has declined substantially from the very high level that prevailed in 1946. Between 1946 and 1969 the median age of grooms fell from 32 to 26 and of brides from 27 to 24. To some extent this is a reflection of the declining importance of the rural population but to a much greater extent it is due to the falling age at marriage among all sections of the population. Simultaneous with the decline in age at marriage, the frequency distributions of brides' and grooms' ages have become both more skewed and more peaked. Thus earlier marriage has also meant greater uniformity in age at marriage, but the phenomenon of first marriage at a fairly advanced age persists. There has been a marked trend towards greater equality between husbands' and wives' ages over the postwar period: the proportion of marriages in which there was less than five years' gap between the ages of the bride and groom rose from 49 percent in 1946 to 71 percent in 1969. The percentage of marriages in which the groom was ten or more years older than the bride has fallen from 22 to seven percent. The evidence suggests that the “marriage market” became less favourable to males (especially older males) over the period and that part of the narrowing in the gap in relative age of brides and grooms has been due to the greater willingness of younger males to marry. It also seems that changes in the age structure of the unmarried population has had an impact on the age distribution of grooms.     

Role of the social and cultural factors in human fertility in India

During the 1940s and 1950s in India, a relatively low level of fertility of 6–8 children per woman of unbroken marriage is implicated by the social and cultural factors; the fertility was probably depressed by 15–20 percent. An appraisal of the trends over the last 2–3 decades of the pertinent variables—age at marriage (an early and almost universal marriage); the widow remarriage rates; the induced abortion rate; postpartum infecundability (breastfeeding) and postpartum abstinence; the son preference; and the other sexual attitudes and taboos—suggests that during the late 1970s and early 1980s, the fertility enhancing and retarding forces were offsetting each other. But, over the next two decades, the variables responsible for enhancing the fertility level will play a more dominant role than the corresponding fertility-reducing factors. However, the role of induced abortion remains somewhat unclear. For any significant reductions in the national crude birth rate in India during the 1990s, the family planning efforts will have to be considerably accelerated.     

Explaining cross-national differences in marriage, cohabitation, and divorce in Europe, 1990-2000

European countries differ considerably in their marriage patterns. The study presented in this paper describes these differences for the 1990s and attempts to explain them from a macro-level perspective. We find that different indicators of marriage (i.e., marriage rate, age at marriage, divorce rate, and prevalence of unmarried cohabitation) cannot be seen as indicators of an underlying concept such as the 'strength of marriage'. Multivariate ordinary least squares (OLS) regression analyses are estimated with countries as units and panel regression models are estimated in which annual time series for multiple countries are pooled. Using these models, we find that popular explanations of trends in the indicators - explanations that focus on gender roles, secularization, unemployment, and educational expansion - are also important for understanding differences among countries. We also find evidence for the role of historical continuity and societal disintegration in understanding cross-national differences.