Age Heterogamy in Marriage

Abstract

This paper examines May-September and May-December marriages--that is marriages in which spouses are separated by unconventional age differences. These marriages are not interesting for their numbers; only about 8% of marriages are age-heterogamous. What makes them interesting is their potential for theorizing about homogamy and its social consequences. Using data from the US Panel of Income Dynamics and a major epidemiological study in Florida this paper compares age-heterogamous and age-homogamous couples in terms of socioeconomic status and marital quality to examine the truth of the popular hypotheses that age-heterogamous couples are mostly from the upper middle class and that these marriages are burdened by problems that make them very unstable. The 4 groups studied include: 1) wives who are at least 4 years older than their husbands 2) husbands and wives who are separated by no more than 3 years in either direction 3) husbands who are between 4 and 10 years older than their wives and 4) husbands who are 11 or more years older than their wives. For all races marriages with husbands who are at least 11 years older than their wives diminished steadily from 13.45% of those making $4999 or less to 6.21% of those making $30000 or more. Couples with wives 4 or more years older than their husbands are also roughly twice as frequent in families with incomes of $4999 or less than those with incomes of $30000 or more. The data also show that age difference is a nonpredictor of marital satisfaction when socioeconomic status race duration of marriage sex and age are controlled. Measures of marital quality also did not discriminate between groups. These findings dramatically contradict popular wisdom and cast doubt on theories on the nature and effects or marital homogamy and heterogamy.