20 According to the passage, which of the following is NOT found in Japan?
(A) A decrease of three-generation households.
(B) A high birth rate.
(C) An increase of smaller families.
(D) A high proportion of married-couple households.

Scandinavian斯堪的纳维亚 countries have been the pacesetters先导者 in the development of many of the nontraditional forms of family living, especially births outside of wedlock已婚狀態 and cohabitation同居 outside of legal marriage.

Women in these societies also have the highest rates of labor force participation. However, in at least two aspects方面, the United States is setting the pace: Americans have, by far顯然..., the highest divorce rate of any industrial nation, as well as和a higher incidence事件 of single-parent households, one of the most economically vulnerable segments部分 of the population.

Japan is the most traditional society of those studied, with very low rates of divorce and births out of wedlock and the highest proportion比例 of married-couple households.

In fact, Japan is the only country studied in which the share of such households has increased since 1960. But even in Japan, family patterns are changing: sharp drops in fertility生殖力 have led to much smaller families, and the three-generation household, once the mainstay主流 of Japanese family life, is in decline減少.